These High-Protein French Onion–Stuffed Mushroom Bites have an abundance of rich, savory flavors. It contains caramelized onions, mushrooms, unsalted butter, beef broth, Gruyère, bread crumbs, thyme leaves, and sherry vinegar. This appetizer is inspired by traditional French onion soup. It gets golden and bubbly when it gets broiled. High-Protein French Onion–Stuffed Mushroom Bites are perfect for dinner, holiday buffets, or any other occasion when you want to make something delicious and indulgent. Serve them with garlic toast, zucchini noodles, or grilled chicken to make them more filling and tasty.
Why Do These Bites Serve as a Perfect Appetizer?
- The caramelized onions will provide an indulgent and savory taste in the dish.
- Mushrooms will add an earthy flavor. It also contains selenium, which is beneficial for the prevention of cardiovascular disease.
- These bites are perfect for game days or holiday gatherings.
STATS:
- Calories: 120 kcal
- Prep time: 15 minutes
- Cooking duration: 30 minutes
- Overall duration: 45 minutes
- Serving size: 4 mushrooms
- Cuisine: French
- Course: Appetizer, Snack
- Diet: High-Protein
- Serving: 24 bites
EQUIPMENT:
- Baking sheet
- Large skillet
- Cutting board
- Vessel
- Spoon
- Knife
INGREDIENTS:
- 24 medium cremini mushrooms
- 2 tbsp. olive oil
- ¾ tsp. salt
- 1 tbsp. unsalted butter
- 2 big yellow onions sliced
- 1 tbsp. Sherry vinegar
- ½ cup unsalted beef broth
- 1 cup Gruyère cheese shreds
- 2 tbsp. dry whole-wheat breadcrumbs
- Thyme leaves
INGREDIENT NOTES:
MUSHROOMS:
- Cremini mushrooms are firm, so they are perfect for the stuffing. Remove the stems well to make space to add the stuffing. It perfectly absorbs the moisture and doesn’t become soggy.
OLIVE OIL:
- It is used for roasting the mushrooms and making the filling. It also provides a rich taste and healthy fat content in the dish.
SALT:
- It is important to provide the taste in the filing. It also helps to take out the moisture content from it and caramelizes the onions well.
BUTTER:
- It will add indulgence and deep flavor to the caramelized onions. It will balance the sweet taste of these onions and swap it with the oil if required.
SHERRY VINEGAR:
- It adds acidity to the dish, which will stabilize the onion’s sweetness. It will enrich the taste of the dish, and a small quantity is enough for this purpose.
BEEF BROTH:
- It will provide the savory indulgence and moisture content in the filling. It also helps to enrich the taste and aids in deglazing the pan.
GRUYERE CHEESE:
- It is a French cheese that provides a nutty taste in the dish. It also adds the creaminess and protein content to it. Use the Swiss cheese instead if required.
INSTRUCTION:
- Warm the oven to 375° F and put the parchment on the tray.
- Now, remove the stems of mushrooms and apply the oil with the brush on them, then sprinkle the salt.
- Then bake the mushrooms for 10 minutes till its moisture will release and put them in the corner.
- Warm the olive oil and butter in the pan on a moderate to low flame.
- Include the onions & cook for 20-25 minutes till they get caramelized.
- Mix the sherry vinegar and beef broth in the pan to deglaze it and cook till it decreases.
- Put the pan on the shelf, then add the breadcrumbs and cheese to it and mix.
- Add the mixture to the mushrooms and bake them for 15 to 20 minutes till they get bubbly and golden on top.
- Garnish them with fresh thyme and serve.
TIPS:
- Be patient in the caramelization process of onions; they get burned easily.
- Pre-bake the mushrooms so they don’t get soggy.
- Add the filling with the scoop or spoon so it distributes equally.
- Sprinkle the additional cheese on top to make them crisp.
HOW TO SERVE THIS DISH?
PROTEINS:
- Grilled Chicken
- Garlic Steak
- Roasted Turkey
- Pan-Seared Salmon
SALADS:
- Caesar Salad
- Arugula Salad
- Spinach Walnut Salad
- Mixed Greens Salad
SOUPS:
- Tomato Soup
- Butternut Squash Soup
- French Onion Soup
- Garlic Soup
SIDES:
- Roasted Asparagus
- Green Beans
- Zucchini Noodles
- Cauliflower Mash
BREADS & GRAINS:
- Baguette
- Dinner Rolls
- Garlic Toast
- Rice Pilaf
DRINKS:
- Sparkling Water
- Iced Tea
- White Wine
- Red Wine
STORAGE INFORMATION:
FRIDGE:
- Add these bites to the closed vessel and store for 3 days.
FREEZER:
- Freeze the baked bites in the vessel for one month.
FAQs:
Will I utilize a different cheese type?
- We can easily use the mozzarella or Swiss cheese, but the Gruyère cheese will provide a good taste.
Can I prepare them in advance?
- Yes, easily make them before the requirement, store them in the fridge, and bake them fresh.
Are they low-carb?
- Yes, they have low-carb content. These are good for a keto diet, also if you use keto breadcrumbs instead.
NUTRITIONAL INFORMATION:
Calories: 120 kcal
Protein: 7 g
Total carbs: 8 g
Fiber: 2 g
Servings: 6
Fat: 7 g
Net carbs: 6 g
Serving size: 4 bites
Potassium: 350 mg
Calcium: 150 mg
Sodium: 320 mg
Iron: 1.2 mg
Vitamin A: 120 mcg
