Sausage and Spinach Spaghetti Pie

This budget-friendly dish (which costs less than $ 10) lets you stretch a small amount of meat into multiple servings.
Place an 8-inch round cake pan in the oven. Preheat the oven to 500 ° F (leave the baking sheet in the oven while it warms up).Bring a large saucepan filled with water to a boil over high heat. Add pasta; cook for 8 minutes or until almost tender; drain. Put the eggs in a large bowl. Add the hot pasta; stir to coat.Heat the oil in a large skillet over medium-high heat. Add the sausage; cook for 2 minutes or until it is lightly browned, stirring until it crumbles. Add the tomatoes, onion, and spinach; cook for 7 minutes or until the liquid has almost evaporated, stirring occasionally. Add the sausage mixture to the pasta mixture. Add pepper, salt, and 2 ounces of cheese.Carefully remove the cake pan from the oven; brush the pan with cooking spray. Transfer the pasta mixture to a muffin tin; sprinkle with the remaining 1 oz of cheese. Bake at 500 ° F for 20 minutes. Remove the pan from the oven; cut the spaghetti pie into 4 pieces.