Traditional Colombian empanadas

Ingredients

• 907 grams ground beef
• 1 796 milliliter can diced tomatoes, drained, no liquid
• 1 cup diced Spanish onion
• 3 cloves minced garlic
• 1 teaspoon ground cumin
• 1 teaspoon ground paprika
• 1 teaspoon ground coriander
• 1 tablespoon salt
• 1 teaspoon black ground pepper
• 2 cups Yukon Gold potato, peeled, diced small
• 3 tablespoons canola oil
• 5 cups masa seca
• 3 cups warm water
• 4 tablespoons canola oil
• 1 teaspoon salt