Caramelized Onion and Gruyère Galettes
Fluffy French galettes filled with sweet caramelized onions and melted Gruyère cheese, perfect for a savory breakfast or light lunch. This french-inspired breakfast (vegetarian, gluten free) ready in about 70 minutes combines medium potatoes, onion, Gruyère cheese into a breakfast that fuels the morning without the midday crash — make-ahead-friendly and balanced enough to anchor the first meal of the day. Each serving lands at about 380 calories and feeds 6, so it sits comfortably in a weekly breakfast rotation alongside fruit, yogurt, or coffee. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.
Ingredients
- 4 medium potatoes
- 2 onion
- 1 cup Gruyère cheese
- 1/4 cup flour
- 2 eggs
- 3 tbsp butter
- 1 tsp salt
- 1 tsp thyme
Instructions
- Step 1: Grate 4 medium potatoes (shredded on a box grater) and squeeze out excess moisture using a clean kitchen towel. In a large bowl, mix with 1/4 cup flour, 1 tsp salt, and 1 tsp thyme.
- Step 2: In a large skillet, melt 2 tbsp butter over medium heat. Add 2 thinly sliced onions and cook for 20-25 minutes, stirring occasionally, until onions are golden caramelized and softened.
- Step 3: In a separate bowl, whisk 2 eggs with 1 tbsp water. Set aside.
- Step 4: Heat a cast-iron skillet or griddle over medium heat. Spoon 1/4 cup potato mixture into the pan, pressing into a round shape (about 6 inches in diameter). Cook for 3-4 minutes until golden brown. Flip and cook another 3-4 minutes.
- Step 5: Spoon 1/4 cup caramelized onions and 1/4 cup grated Gruyère cheese onto half the galette. Fold the other half over to create a half-moon shape. Cook for 2-3 minutes until cheese is melted and edges are golden. Repeat with remaining ingredients.
- Step 6: Serve warm with a side of sour cream or a green salad.
Equipment for this recipe
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Frequently asked questions
How long does Caramelized Onion and Gruyère Galettes take to make?
Total time is about 70 minutes (40 min prep + 30 min cook). Most home cooks find this fits comfortably into a busy morning; prep components the night before to save active time.
How do I store leftover Caramelized Onion and Gruyère Galettes?
Cool to room temperature within 2 hours, then store in an airtight container in the fridge for up to 4 days. Reheat in the microwave or oven; egg- or grain-based items may need a splash of milk or water to refresh texture. Cold-served items (overnight oats, smoothies) keep 2–3 days in the fridge.
Can I substitute ingredients in Caramelized Onion and Gruyère Galettes?
Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.
How do I scale Caramelized Onion and Gruyère Galettes for a different number of people?
The recipe is written for 6 servings. Multiply each ingredient by (your serving target / 6). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.
Is Caramelized Onion and Gruyère Galettes vegetarian?
Yes — this recipe is tagged vegetarian, gluten free based on its ingredient list. Always cross-check labels for packaged ingredients (sauces, broths, condiments) since formulations vary by brand.
