Apple, Onion and Fontina French Toast Casserole

Brunch, Casserole, Vegetarian

Ingredients:

  • 1 tsp butter or nonstick cooking spray
  • 1 tsp olive oil
  • 2 medium yellow onions, thinly sliced
  • 1 green apple – peeled, cored and chopped in 1/2 in pieces
  • 1 TBSP fresh rosemary, chopped
  • 6 large eggs
  • 3 c milk
  • 1 tsp salt
  • 1 tsp black pepper
  • 12 oz (12-15 1/4 in slices) challah bread (preferably day-old)
  • 2 c shredded fontina cheese

Directions

  1. Preheat oven to 350 F. Grease a 13×9 in baking dish.
  2. In a large saute pan, heat olive oil over med-high heat.
  3. Add onions and saute until soft and transparent, about 5 min.
  4. Add apple to pan and continue cooking until onions and apples are lightly browned and just tender.
  5. Remove pan from heat and stir in rosemary.
  6. In a large liquid measuring cup, whisk together eggs, milk, salt and pepper.
  7. Working in rows, overlap bread slices. Spread onions and apples over the bread, then pour the egg mixture over top. Let set for 30 min.
  8. Sprinkle with fontina and bake for 35-40 min or until the casserole is puffed, lightly browned and set.
  9. Let stand for 10 min, then cut into squares and serve.