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French Onion Zucchini Bake
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5 from 4 votes

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
Cook Time35 minutes
Course: Side Dish
Cuisine: American
Keyword: french onion, French Onion Bake, French Onion Zucchini
Servings: 8
Author: Amanda Rettke - iambaker.net

Ingredients

  • 4 tablespoons unsalted butter
  • 1/2 teaspoon salt
  • 1/2 teaspoon pepper
  • 1 tablespoon Worcestershire sauce
  • 1 teaspoon fresh thyme, chopped (plus more for garnish)
  • 1/2 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

Instructions

  • Preheat oven to 400 °F.
  • Melt butter in a 12" 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.