Prepare Picadillo Filling: Brown ground beef with black pepper, onion powder, garlic powder, ground cumin, oregano, chili powder, and salt.
Add half of the white onion, half of the tomatoes, jalapeno, chile arbol, and garlic cloves to the browned beef. Cook until softened.
Stir in tomato sauce, poblano peppers, and diced potatoes. Simmer until potatoes are tender.
Assemble Burritos: Spread refried beans onto soft flour tortillas.
Top with picadillo filling and shredded cheese.
Grill burritos until crispy and golden.
