1 (20 ounce) can pineapple chunks
1/2 cup vinegar
1 cup granulated sugar
2 tablespoons mint flakes
Red or green food color
Drain syrup from pineapple. To the syrup add vinegar, sugar and mint flakes. Stir to dissolve sugar and bring to a boil. Cover and simmer 10 minutes. Remove from heat; keep covered and set aside to cool.
Strain to remove mint flakes. To the liquid add 1/4 teaspoon (about 25 drops) red or green food color; stir. Add pineapple chunks. Store in a covered dish or jar in refrigerator.