Here's the best zucchini gratin: tasty and irresistible! - Policital Insights

Ingredients

• 4 medium zucchini, thinly sliced
• 1 small onion, finely chopped
• 2 cloves garlic, minced
• 2 cups heavy cream
• 1 cup grated Gruyere cheese
• 1 cup grated Parmesan cheese
• 1/2 cup breadcrumbs
• 2 tablespoons butter, melted
• Salt and pepper, to taste
• Fresh parsley, for garnish (optional)