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    Home » Appetizers » Portobello Panini Bites

    Portobello Panini Bites

    First Published: Sep 2, 2015 · Modified: Apr 12, 2021 by Sandra · This post may contain affiliate links. As an Amazon Associate I earn from qualifying purchases with no additional cost to you.

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    Irresistible panini bites featuring portobello mushrooms, fontina cheese, roasted red peppers and a garlic rosemary mayo. Serve them with a delicious basil mayo dressing.
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    cheryls-baby-showerToday's recipe is brought to you in honor of Cheryl Malik of 40 Aprons and her husband, who will soon be welcoming baby boy Leo into their lives.  Congratulations to you both!!

    Cheryl's nursery theme is from the book Sleep Like a Tiger.  As soon as I heard the word tiger, my mind immediately went to panini sandwiches because the grill marks look a little like tiger stripes to me.

    Portobello Panini Bites | Irresistible panini bites featuring portobello mushrooms, fontina cheese, roasted red peppers and a garlic rosemary mayo. Serve them with a delicious basil mayo dressing. | heavenlyhomecooking.comIf you don't want to serve these as appetizers, you can just as easily use this recipe to make four sandwiches.  However, I love the idea of having little bite-sized sandwiches that you can then dip in the delicious basil mayo dressing.  Yum!

    Portobello Panini Bites | Irresistible panini bites featuring portobello mushrooms, fontina cheese, roasted red peppers and a garlic rosemary mayo. Serve them with a delicious basil mayo dressing. | heavenlyhomecooking.comIf you're looking for something that leans a little more toward vegetarian, then these panini bites may be just the thing.  The portobello mushrooms are definitely the star of the show, and I wouldn't dare call them a meat substitute.  They sparkle and shine very well on their own.  But then when you add the fontina cheese, roasted red peppers, garlic rosemary mayo and basil mayo dressing...well, you have a sandwich that is to die for.  If you don't want to splurge on fontina cheese, feel free to substitute an Italian blend if your grocery store carries it.  The first time I made this recipe, I used the Italian blend and it was just as tasty.

    Portobello Panini Bites | Irresistible panini bites featuring portobello mushrooms, fontina cheese, roasted red peppers and a garlic rosemary mayo. Serve them with a delicious basil mayo dressing. | heavenlyhomecooking.comSweet little bite-sized panini sandwiches...just perfect for a baby shower, or any other special occasion.

    Portobello Panini Bites | Irresistible panini bites featuring portobello mushrooms, fontina cheese, roasted red peppers and a garlic rosemary mayo. Serve them with a delicious basil mayo dressing. | heavenlyhomecooking.comDon't forget to dip into the basil mayo dressing!  You'll be glad you did.

    Once again, congratulations to the proud parents-to-be!  I am sure you will have a wonderful time watching little Leo grow up!

    Please check out the other fabulous recipes that have been submitted in honor of Cheryl and her baby boy:

    By Jessica of Jessica in the Kitchen:

    Gluten-Free Pumpkin Pancakes

    By Marci of Flavor the Moments:

    Mini Cookies & Cream Pumpkin Cheesecakes

    By Melissa of Simply Whisked:

    Mojito Fruit Salad

    By Meriem of Culinary Couture:

    Healthier Oatmeal Chocolate Chip Lactation Cookies

    By Michelle of Thistle Key Lane:

    Baby Carrot and Apple Soup

    By Rachel of Bakerita:

    Mini Lemon Blueberry Bundt Cakes

    By Sarah of Broma Bakery:

    Caramelized Fig Upside Down Cake

    By Traci of Vanilla and Bean:

    Blueberry Lemon-Thyme Cornmeal Crisp

    Portobello Panini Bites

    Irresistible panini bites featuring portobello mushrooms, fontina cheese, roasted red peppers and a garlic rosemary mayo. Serve them with a delicious basil mayo dressing.
    5 from 2 votes
    Print Recipe
    Prep Time 15 mins
    Cook Time 30 mins
    Total Time 45 mins
    Course Appetizers
    Cuisine American
    Servings 16 panini bites
    Calories 116 kcal
    Prevent your screen from going dark

    Ingredients
     
     

    Panini Bites

    • 4 large portobello caps
    • 4 tablespoon olive oil extra virgin
    • ½ teaspoon salt
    • ¼ teaspoon pepper
    • 4 tablespoon mayonnaise
    • 2 teaspoon minced garlic 4 cloves
    • 2 teaspoon minced fresh rosemary
    • 4 ciabatta buns
    • 2 cups grated fontina cheese
    • ½ cup roasted red peppers rinsed, patted dry, and sliced ½ inch thick

    Basil Mayo Sauce:

    • 3 tbsp. pesto
    • 2 tbsp. mayo

    Instructions
     

    Panini bites:

    • Preheat a 12-inch nonstick grill pan over medium heat for 2 minutes. (Droplets of water should just sizzle when flicked onto pan.) Toss 2 of the mushrooms, 1 tbsp. oil, salt, and pepper together. Place mushrooms, gill side up, in pan and weight with Dutch oven or other heavy pan. Cook until mushrooms are well browned on both sides, about 4 minutes per side. Transfer mushrooms to plate. Repeat with other 2 mushrooms. Wipe pan clean.
    • Combine mayonnaise, garlic, and rosemary in bowl. Spread mayonnaise mixture evenly over 1 side of each bun half. Assemble 4 sandwiches by layering ingredients as follows between prepared buns (with mayonnaise mixture inside sandwich): half of fontina, cooked mushrooms, red peppers and remaining fontina. Press gently on sandwiches to set.
    • Reheat now empty pan over medium heat for 1 minute. Turn to low. Brush outside of sandwiches lightly with remaining oil. Place sandwiches in pan and weight with Dutch oven or other heavy pan. Cook sandwiches until buns are golden brown and crisp on both sides and cheese is melted, about 3 minutes per side. Cut each sandwich into quarters and serve with sandwich picks if desired.

    Basil Mayo Sauce (yield ½ cup):

    • Add pesto to a mesh strainer to drain extra oil. Add drained pesto to small bowl. Add mayo and combine. Serve with panini bites.

    Notes

    Recipe adapted from America's Test Kitchen The Complete Cooking for Two Cookbook

    Nutrition Facts

    Calories: 116kcal (6%)Carbohydrates: 8g (3%)Protein: 2g (4%)Fat: 9g (14%)Saturated Fat: 1g (6%)Cholesterol: 2mg (1%)Sodium: 263mg (11%)Potassium: 83mg (2%)Fiber: 1g (4%)Sugar: 1g (1%)Vitamin A: 79IU (2%)Vitamin C: 2mg (2%)Calcium: 7mg (1%)Iron: 1mg (6%)

    Nutritional information provided is for one serving and is only an estimate. The accuracy of the nutritional information for any recipe on this site is not guaranteed.

    Total Servings 16 panini bites
    Tried this recipe?Let us know how it was!

     

    Portobello Panini Bites | Irresistible panini bites featuring portobello mushrooms, fontina cheese, roasted red peppers and a garlic rosemary mayo. Serve them with a delicious basil mayo dressing. | heavenlyhomecooking.com

     

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    Reader Interactions

    Comments

    1. Jessica @ Jessica in the Kitchen says

      September 03, 2015 at 8:13 pm

      I love how creative this recipe is!! These bites look SO good!!

      Reply
      • Sandra says

        September 03, 2015 at 8:23 pm

        Thanks so much, Jessica!

        Reply
    2. marcie says

      September 02, 2015 at 4:14 pm

      I love these little panini bites, and I'm crazy about mushrooms! They're the perfect bite for a party, but I think I would go overboard and eat way more than one. haha Pinned!

      Reply
      • Sandra says

        September 02, 2015 at 6:12 pm

        Thanks, Marcie! I definitely did go overboard and ate more than one! They didn't last long. Thanks for the pin!

        Reply
    3. Meriem @ Culinary Couture says

      September 02, 2015 at 3:55 pm

      I love paninis! What a creative way to incorporate the tiger theme!

      Reply
      • Sandra says

        September 02, 2015 at 6:11 pm

        Thanks so much, Meriem!

        Reply
    4. Rachel @ Bakerita says

      September 02, 2015 at 3:26 pm

      Love these cute panini bites!! They look so good, and perfect for a party!

      Reply
      • Sandra says

        September 02, 2015 at 6:10 pm

        Thanks, Rachel!

        Reply
    5. Michelle Meyer says

      September 02, 2015 at 3:22 pm

      Oh yes, the Potobello Panini Bites are now on my "to do list". They look wonderful!

      Reply
      • Sandra says

        September 02, 2015 at 6:09 pm

        Thanks, Michelle! I hope you enjoy them!

        Reply
    6. Cheryl Malik says

      September 02, 2015 at 11:52 am

      Hi Sandra! Thank you so much for being part of my surprise baby shower 🙂 I was so, so touched by all the amazing recipes and women involved! I loooove that you thought tiger.. panini. So clever! We're pretty much half vegetarian at home, so these are perfect for us. And pesto mayo?! Um, yes. Yes, please.

      Thank you again - so sweet! Leo is already so loved 🙂

      Reply
      • Sandra says

        September 02, 2015 at 6:02 pm

        Thanks, Cheryl! It was my honor to be able to participate! I am so glad that this is a recipe that you can use for your growing family. 🙂

        Reply
    7. Melissa Belanger says

      September 02, 2015 at 9:00 am

      These look delicious! I love that you thought of the tiger stripes as panini grill marks. I tried to make a spin on a bear claw (tiger claw), but I failed miserably. These look so yummy!

      Reply
      • Sandra says

        September 02, 2015 at 6:08 pm

        Thanks, Melissa! No worries about the tiger claws because your mojito fruit salad looks fantastic!

        Reply

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    Sandra Pennell

    Hi, I'm Sandra! I believe that you can make a hearty and satisfying breakfast even if you're short on time. Here I share my best recipes which will hopefully help you start your day with ease, nourishment and joy.

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