Smoked Sausage and Peppers Empanadas

Name: Smoked Sausage and Peppers Empanadas
Ingredients: 4 links smoked sausage; 1/4 cup unsalted butter; 1 1/2 cups red onions (diced); 2 bell peppers (diced); 2 cloves garlic (minced); 1/2 teaspoon dried oregano; 1/2 teaspoon kosher salt; 1/4 teaspoon Black pepper (to taste); Pinch Red pepper flakes; 1/2 cup beer; 20 empanada discs; 1 large egg (beaten); 8 ounces cream cheese (softened); 8 ounces cheddar cheese blend (shredded); 8 ounces mozzarella cheese (shredded); 1 cup beer; 4 drops liquid smoke; Kosher salt; Black pepper