Lasagna à la Dominicana

Ingredients

 * 9 "strips" of lasagna (better if fresh)
 * 1 lb of shredded mozzarella

Beef filling

 * 2 lbs of ground meat
 * 2 tablespoons of tomato paste
 * 1 small red onion diced into small cubes
 * 2 tablespoons of olive oil
 * black pepper
 * oregano
 * salt

Sauce

 * Bake at loaminutes before serving.
 * Bake at loaminutes before serving.