Pasta Frittata with Mushrooms Recipe

Ingredients

• 1 tablespoon unsalted butter
• 1/4 cup extra-virgin olive oil
• 1 garlic clove, finely chopped
• 1/4 pound white mushrooms, thinly sliced
• 1 small onion, minced
• 2 cups leftover spaghetti in tomato sauce
• 2 ounces thinly sliced prosciutto, finely chopped
• 1/2 cup heavy cream
• 1/2 cup freshly grated Parmesan cheese (2 ounces)
• Salt and freshly ground pepper
• 8 large eggs, lightly beaten