Zucchini Squash Casserole | Mealdill

Ingredients

• 1 tablespoon butter
• 1 yellow onion
• 2 garlic cloves
• 1.5 cups heavy cream
• 1 teaspoon sea salt
• 0.5 teaspoon ground black pepper
• 0.5 teaspoon dried thyme
• 0.5 teaspoon dried oregano
• 0.5 cup shredded parmesan cheese
• 2 medium yellow zucchini
• 2 medium green zucchini
• 6 ounce mozzarella cheese