Step 1

Place all ingredients except buns in a gallon size zip-top bag. Label and freeze.

Step 2

When ready to cook, thaw in refrigerator overnight.

Step 3

Place contents of bag in a slow cooker. Cover and cook on low 8-10 hours.

Step 4

Shred meat and discard any fat.

Step 5

Serve on toasted buns or rolls. Add sliced provolone cheese, sliced avocado, and mayonnaise, if desired.