For Sweet Tomato Dip:
1 (8 ounce) can crushed pineapple
1/4 cup ketchup
For the Burgers:
1 (15 ounce) can sweet potatoes (or yams) in syrup, drained
1 tablespoon canned tomato paste
1 pound ground turkey or lean beef
Spray vegetable oil
1 (7.5 ounce) roll refrigerated, lower-fat buttermilk biscuits, baked to package directions