Quick Moussaka recipes

Name: Quick Moussaka recipes
Ingredients: butter; 1 large eggplant (2 1/2 pounds), peeled and cut into 1-inch chunks; 7 tablespoons olive oil; pepper; salt; 2 onions, chopped; 2 cloves garlic, minced; 1 pound ground beef or lamb; 1 can (28 ounces) whole tomatoes, drained; 2 teaspoons tomato paste; 1/3 cup chopped fresh flat-leaf parsley; 2 teaspoons dried oregano; 1 teaspoon ground cinnamon; 1 cup (9 ounces) ricotta cheese, room temperature; 3/4 cup (4 ounces) feta cheese, room temperature; 1 large egg, room temperature