Easy Black Bean Vegan Empanadas

Name: Easy Black Bean Vegan Empanadas
Ingredients: 2 tablespoon, olive oil, (divided); 1 medium onion, (diced); 1 medium red bell pepper, (diced); 3 garlic cloves, (minced); 2 teaspoons ground cumin; 1 teaspoon paprika; Pinch ground cloves; 1 (14 ounce or 400 gram) can black beans, (drained and rinsed); 1/4 cup water; 1 tablespoon tomato paste; 1/2 cup frozen corn, (thawed); 2 tablespoons hot sauce. (such as Cholula (Note 1)); 1/4 cup chopped scallions; 1/4 cup chopped fresh cilantro; Salt and pepper to taste; 3 (8.7 ounce or 245 gram) sheets vegan puff pastry ((Notes 2 and 3)); 1 tablespoon unflavored and unsweetened non-dairy milk