- 1 cup firmly packed brown sugar
- 2 tablespoons all-purpose flour
- 1/4 teaspoon ground cinnamon
- 3 tablespoons vinegar
- 3 tablespoons water
- 2 teaspoons honey
- 1/2 teaspoon Dijon mustard
- 1/2 cup crushed pineapple, drained
- Mix brown sugar, flour, and cinnamon together in a bowl. Stir vinegar, water, honey, and mustard together in a saucepan; add brown sugar mixture and whisk until blended. Turn heat to medium-high, stir crushed pineapple into mixture, and bring to a boil, whisking constantly, until thickened, 2 to 3 minutes.