French Onion Zucchini Bake
French Onion Zucchini Bake combines the amazing flavor of caramelized onions, fresh zucchini, and piles of melty gruyere cheese for a side dish that is sure to impress!
Prep Time10 minutes mins
Cook Time35 minutes mins
Total Time45 minutes mins
Course: Side Dish
Cuisine: American
Keyword: french onion, French Onion Bake, French Onion Zucchini
Servings: 8
Calories: 228kcal
Author: Amanda Rettke - iambaker.net
- 4 tablespoons unsalted butter
- ½ teaspoon kosher salt
- ½ teaspoon pepper
- 1 tablespoon Worcestershire sauce
- 1 teaspoon fresh thyme, chopped (plus more for garnish)
- ½ cup beef broth
- 8 cups zucchini, seeded and sliced thin (about 2 medium)
- 2 large yellow onions, sliced thinly
- 2 teaspoons granulated sugar
- 2 cups gruyere cheese, shredded and divided
- Preheat oven to 400°F. 
- Melt butter in a 12-inch oven-safe skillet over medium heat. 
- Add sliced onion to skillet and cook for 3-4 minutes. 
- Add salt, pepper, sugar, Worcestershire sauce, thyme, and beef broth.  Cook until onions are golden brown (about 12 minutes), stirring occasionally to prevent burning. 
- Add zucchini to skillet and combine with onions. Add 1 cup of cheese and combine into onion mixture.  Top the dish with the remaining cup of cheese. 
- Transfer skillet to oven and bake for 15 minutes covered, remove the lid and cook for an additional 10 minutes or until golden brown. 
- Carefully drain off any excess liquid and top with fresh thyme. 
Serving: 1portion | Calories: 228kcal