Mexican Meatloaf

1 egg, beaten
1/3 cup taco sauce
1 cup coarsely crushed corn chips
1/3 cup shredded Mexican cheese blend
2 tablespoons taco seasoning mix
1/2 teaspoon salt, optional
2 pounds ground beef
additional taco sauce or salsa

Combine ingredients; mix well. Shape into a round loaf and place in a slow cooker. Cover and cook on low for 6-8 hours or until a meat thermometer reads 160 F. Serve with additional taco sauce or salsa.