Ratatouille Pie
Ingredients
- 1 pre-made (or store-bought) pie crust
- 3 Tbsp. olive oil, divided
- 1 onion, diced
- 1/2 bell pepper, diced
- 2 small eggplants, sliced
- 2 medium zucchini, sliced
- 2 medium summer squash, sliced
- 3 medium tomatoes, sliced
- 1/2 cup gruyere cheese, grated
- salt & pepper, to taste