Mama's - Zucchini and Yellow Squash Au Gratin Ingredients: 2 medium zucchinis, thinly sliced 2 medium yellow squashes, thinly sliced 1 tbsp olive oil 1/2 cup diced onion 2 cloves garlic, minced 1 cup heavy cream 1/2 cup grated Parmesan cheese 1 cup shredded Gruyère or Swiss cheese, divided 1/2 tsp dried thyme Salt and pepper, to taste 1/4 cup bread crumbs (optional, for a crispy topping) Fresh parsley, chopped (for garnish) Directions: | Facebook