I’m always on the look out for a fun appetizer that is quick and easy to make. 

Give these Caramelized Onion and Mushroom Bites a try at your next party or gathering.  The filling alone will WOW your tastebuds and paired in these Phyllo Shells, you have an instant one bite appetizer

Caramelized Onion and Mushroom Bites

Onion and Mushroom Bites Appetizer #easyrecipe #appetizer #Mushroomandonionbites #phylloshells

Serves 12 | Ready in 30 min | Good for an Appetizer

Looking for an Appetizer that no one else will think of to bring to your next party? I’ve got you covered with these Caramelized Onion and Mushroom Bites. 

Sautéed to perfection paired with a deglaze Balsamic Vinegar and it’s truly a party in your mouth

Quick and Easy Mushroom and Onion Bites Appetizer Recipe
Onion Mushroom Bites Appetizer

What is an Appetizer?

I’ve always been told that an Appetizer is a small bite of food or drink eaten before a meal to help wake up your tastebuds and prepare you for the main course. 

These fun one bite Appetizers are so quick and easy to make and I love the combination of flavors.  

Delicious Onion and Mushroom bite appetizer recipe with Balsamic Vinegar

Mushroom and Onion Bites

With only a few simple ingredients you can quickly make Caramelized Mushroom and Onion Bites.  Have you seen Phyllo shells in the freezer section of your grocery store? 

They are located by the puff pastry and often times frozen pies.  These pastry shells are pre-baked, which means you don’t need to do anything except fill them!  Hooray for easy an Appetizers recipe!

How to make Caramelized Onion and Mushroom Bites

  • I start by Sautéing the mushrooms in a hot pan with some butter.  But don’t forget to wash your vegetables.  Choose small button mushrooms and I like to remove the stems.  Personal preference really.  😉
  • Coat the mushrooms in onions and stir, the mushrooms will reduce down (become smaller in size) and more tender.  Then remove them from the heat and set aside.
  • In the same frying pan add a little more butter and sliced onions and stir.  I like to cook onions over medium heat as it slows the cooking process down and allows the wonderful flavors to come out.  YUM!
  • Once the onions are ready, add the sugar and balsamic vinegar and stir.  Add in Mushrooms and stir.  These will quickly caramelize so watch your heat.  Slow is good!
  • I start by Sautéing the mushrooms in a hot pan with some butter.  But don’t forget to wash your vegetables.  Choose small button mushrooms and I like to remove the stems.  Personal preference really.  😉 
  • Fill each Phyllo Shell with about 1 tsp of the filling and sprinkle cheese on top.  
  • Bake and melt the cheese and these appetizers are ready to serve.
Onion and Mushroom Bites Appetizer

Pin this Recipe for Later!

Onion and Mushroom Bites Appetizer #easyrecipe #appetizer #Mushroomandonionbites #phylloshells

Quick Tips

Can’t find Phyllo Shells at your local store?  Try using Puff Pasty instead. 

Cut into small squares and put in a mini cup cake pan.  Add filling and Bake at 350 for 8-10 minutes or until puff pasty is golden brown.  Top with cheese and serve!  Delish!

One Bite Appetizer Recipe, Mushroom and Onions sautéed in Balsamic Vinegar

More Amazing Appetizer – Try them! Oh they are good!

Onion and Mushroom Bites Appetizer
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Caramelized Onion and Mushroom Bites

Caramelized Onion and Mushroom One bite Appetizer, Sautéed Mushroom and Onions with a deglazed Balsamic Vinegar and Swish Cheese. Delish
Prep Time5 mins
Cook Time20 mins
Total Time25 mins
Course: Appetizer Recipes
Cuisine: American
Keyword: Appetizer, Caramelized Mushroom and Onion Bites, Mushroom and Onion Bites
Servings: 7 servings
Calories: 126kcal
Author: Devour Dinner

Ingredients

  • 6 oz Button Mushrooms Sliced
  • 1 Medium Onion Sliced thin
  • 1/2 Cup Grated Swiss Cheese
  • 4 Tbs Butter *Divided
  • 1 1/2 Tbs Sugar
  • 2 Tbs Balsamic Vinegar
  • Salt and Pepper to Taste
  • 1 Pkg Phyllo Cups
  • 1 Tbs Fresh Thyme

Instructions

  • Wash and slice mushrooms and set aside. I like to remove the stems (optional)
  • Thinly slice onion and set aside
  • Heat frying pan over medium/high heat
  • Add 2 Tbs Butter* and add mushrooms to hot pan.
  • Saute Mushrooms for 3-5 minutes or until tender and remove from heat and set aside
  • Add 2 Tbs Butter to hot pan and allow butter to melt
  • Add sliced onions
  • Stir to coat and sauté’ for 5-8 minutes over medium heat.
  • When onions have reduced down add sugar and balsamic vinegar and salt and pepper to taste. Stir
  • Add cooked mushrooms and stir
  • If necessary cut with a knife to make smaller pieces
  • Add 1 tablespoon filling to each Phyllo Shell and sprinkle Swiss Cheese on top.
  • Garnish with Fresh Thyme
  • Serve and enjoy

Notes

*Phyllo Shells can be thrown into the oven under Broil for 1 minute to melt cheese if desired

Nutrition

Serving: 1g | Calories: 126kcal | Carbohydrates: 7g | Protein: 3g | Fat: 10g | Saturated Fat: 6g | Polyunsaturated Fat: 3g | Cholesterol: 27mg | Sodium: 115mg | Fiber: 1g | Sugar: 5g
Did you make this recipe?Mention @devourdinner or tag us #devourdinner!
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