Cook the macaroni according to package instructions. Drain and set aside.
1 lbs macaroni
Heat the cooking oil in a pot over medium heat. Sauté the garlic, onion, and bell peppers for 3 to 5 minutes or until softened.
3 tablespoons cooking oil, 3 cloves garlic, 1 pieces small yellow onion, 1 pieces small red bell pepper, 1 pieces small green bell pepper
Add the ground beef and cook until it turns brown, breaking it apart as it cooks.
1 lbs ground beef
Add the beef cube bouillon and stir until dissolved.
1 pieces beef cube bouillon
Pour in the tomato sauce. Stir well and bring the mixture to a boil.
1 lbs tomato sauce
Season with salt and ground black pepper. Continue cooking for 5 minutes. Remove from heat and set aside.
salt and ground black pepper
Melt the butter in a separate pot over medium-low heat.
4 tablespoons butter
Add the all-purpose flour and stir until the flour absorbs the butter and forms lumps.
1/2 cups all-purpose flour
Pour in the fresh milk while stirring continuously. Keep stirring until the flour is completely dissolved and the sauce thickens. Use a wire whisk for a smoother texture.
1 3/4 cups fresh milk
Add the quick melt cheese. Continue stirring until the cheese fully melts and blends into the sauce. Turn the heat off.
1/2 cups quick melt cheese
Place the cooked macaroni in a large mixing bowl. Pour the tomato meat sauce over the pasta and mix well. Add a few tablespoons of white sauce and some shredded cheddar cheese, then toss everything together.
1 lbs macaroni, 3/4 cups shredded cheddar cheese
Transfer the macaroni mixture to a baking pan. Spread the remaining white sauce evenly over the top, making sure to cover the entire surface.
Preheat the oven to 375°F. Bake for 15 to 18 minutes or until the top turns golden brown.
Remove from the oven and let it rest for a few minutes before serving.