Nutrition Facts for Frenchy oniony sandwich
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Frenchy Oniony Sandwich

Image of Frenchy Oniony Sandwich
Nutriscore Rating: 58/100

Indulge in the rich, savory flavors of the Frenchy Oniony Sandwich, a gourmet twist on a classic comfort food. This irresistible sandwich brings together perfectly caramelized onions, infused with garlic, balsamic vinegar, and a touch of sweetness, layered atop a crispy baguette. Topped with creamy Gruyère cheese and a sprinkle of fresh thyme, then broiled to bubbly perfection, each bite is a symphony of earthy and buttery goodness. Spread with tangy mayo for an extra layer of indulgence, this recipe is the perfect choice for an elevated lunch or dinner. With just 30 minutes of cook time, it’s a quick, satisfying way to experience French-inspired cuisine without leaving your kitchen. Serve it warm alongside a bowl of soup or a crisp salad for a complete meal that’s sure to impress.

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Recipe Information

⏱️
Prep Time
15 min
🔥
Cook Time
30 min
🕐
Total Time
45 min
👥
Servings
4 servings
📊
Difficulty
Medium

🥘 Ingredients

11 items
  • 3 tablespoons unsalted butter
  • 3 medium, thinly sliced yellow onions
  • 2 cloves, minced garlic
  • 1 teaspoon sugar
  • 1 tablespoon balsamic vinegar
  • 0.5 teaspoon salt
  • 0.25 teaspoon black pepper
  • 1 large, sliced into 4 pieces and halved lengthwise baguette
  • 8 slices Gruyère cheese
  • 4 tablespoons mayonnaise
  • 2 teaspoons, chopped fresh thyme
💡
Pro Tip: Read through all ingredients before starting to cook!

📝 Instructions

11 steps
1

Melt the butter in a large skillet over medium heat.

2

Add the sliced onions and cook, stirring occasionally, for about 15 minutes until they soften and turn golden brown.

3

Stir in the minced garlic, sugar, and balsamic vinegar. Cook for 5 more minutes until the onions are deeply caramelized. Season with salt and black pepper, then remove from heat.

4

Preheat the broiler on your oven to medium-high.

5

Lightly toast the baguette halves under the broiler for 1-2 minutes, just until they are slightly crisp.

6

Spread mayonnaise evenly across the cut sides of the toasted baguette halves.

7

Top the bottom halves of the baguette with the caramelized onions, dividing them evenly.

8

Place two slices of Gruyère cheese on top of the onions on each sandwich.

9

Broil the sandwiches (open-faced) for 2-3 minutes or until the cheese is bubbly and melted.

10

Sprinkle the melted cheese with fresh thyme, then close the sandwiches with the top halves of the baguette.

11

Serve warm and enjoy your Frenchy Oniony Sandwich with a side of soup or salad!

Cooking Tip: Take your time with each step for the best results!
2326
cal
79.8g
protein
208.8g
carbs
130.8g
fat

Nutrition Facts

1 serving (913.7g)
Calories
2326
% Daily Value*
Total Fat 130.8 g 168%
Saturated Fat 59.3 g 296%
Polyunsaturated Fat 2.8 g
Cholesterol 289 mg 96%
Sodium 3994 mg 174%
Total Carbohydrate 208.8 g 76%
Dietary Fiber 15.1 g 54%
Total Sugars 24.1 g
Protein 79.8 g 160%
Vitamin D 1.5 mcg 7%
Calcium 1786 mg 137%
Iron 8.8 mg 49%
Potassium 1048 mg 22%

*The % Daily Value tells you how much a nutrient in a serving of food contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.

Source of Calories

35.8%%
13.7%%
50.5%%
Fat: 1177 cal (50.5%%)
Protein: 319 cal (13.7%%)
Carbs: 835 cal (35.8%%)