Colombian Empanadas

Name: Colombian Empanadas
Ingredients: 4 cups pre-cooked yellow cornmeal (PAN brand); 3 ½ cups water; 1 tbsp vegetable oil; 2 tsp salt; 1 tbsp oil; 1 lb ground beef; 1 small white onion (diced); 1 tomato (diced); 2-3 garlic cloves (minced); ½ green bell pepper (diced); 1 tsp ground cumin; ½ tsp dried oregano; ½ tsp paprika; ½ cup chicken broth (or water with a little extra salt); 1 medium-sized potato (peeled and diced into small pieces); salt & pepper (to taste); fresh cilantro (stirred in at end); vegetable or canola oil (for frying); Colombian ají (for serving)