frita cubana -- cuban hamburger

Ingredients

• 1 pound ground beef, raw
• 3/4 pound ground pork, raw
• 1/2 pound chorizo sausage, raw
• 4 cloves garlic, mashed and finely minced
• 1/4 cup sweet onion,grated
• 3 tablespoons ketchup
• 3/4 teaspoon ground cumin
• 1 1/2 teaspoons sweet spanish paprika
• - salt & pepper to taste
• 6 - hamburger buns
• 6 slices onion, optional
• 5 cups shoestring potatoes or use canned shoe string potatoes
• SAUCE
• 1 can can tomato paste( 6 oz)
• 1 1/2 cups water
• 1 teaspoon ground cumin
• 1 1/2 teaspoons sweet spanish paprika
• 1 teaspoon garlic powder
• 1/4 cup sugar
• 1 1/4 teaspoons apple cidar vinegar
• - salt to taste