Heat vegetable oil in a large skillet over medium-high heat. Fry plantain slices until golden brown, about 2-3 minutes per side. Drain on paper towels and set aside.
Step 2
In the same skillet, add a bit more oil if needed and saut茅 the chopped onion, garlic, and bell pepper until softened, about 5 minutes.
Step 3
Add the ground beef and cook until browned. Stir in the tomato sauce, dried oregano, salt, and pepper. Simmer for 10 minutes, then remove from heat.
Step 4
Preheat your oven to 350掳F (175掳C). Grease a baking dish with cooking spray.
Step 5
Place a layer of fried plantains in the bottom of the baking dish.
Step 6
Spoon half of the seasoned ground beef mixture over the plantains.
Step 7
Sprinkle half of the shredded mozzarella cheese on top.
Step 8
Repeat the layers: plantains, beef, and cheese.
Step 9
Bake in the preheated oven for 20-25 minutes or until the cheese is melted and bubbly.
Step 10
Let it cool for a few minutes before slicing and serving. Enjoy your homemade Dominican Pastel贸n!