All-Veggie Au Gratin | Lazy Cooking

Ingredients

• ***For the veggie mixture:***
• 3 large squash, thinly sliced
• 3 large zucchinis, thinly sliced
• 3 russet potatoes, thinly sliced
• 1 medium eggplant, thinly sliced
• 1 medium red onion, thinly sliced
• 1 tablespoon olive oil
• 1/2 tablespoon dried oregano
• 1/2 tablespoon salt
• 1/2 tablespoon pepper
• 3 tablespoons flour
• ***For the cheese sauce:***
• 4 tablespoons butter
• 2 shallots, thinly sliced
• 2 cloves garlic, minced
• 3 cups heavy cream
• 1 1/2 cups parmesan cheese, grated
• 1 teaspoon salt
• 1 teaspoon pepper
• ***For the topping:***
• 1/2 cup parmesan cheese
• 5 sprigs thyme
• 5 sprigs rosemary, plus more, to taste, for garnish