1 cup all-purpose flour

1/4 cup sugar

1 1/2 teaspoon baking powder

1/4 teaspoon salt

2 egg whites

2/3 cup orange juice

2 tablespoons cooking oil

1 teaspoon vanilla

1 cup fresh or frozen blueberries

Mix the first 4 ingredients in a medium-sized bowl. In a small mixing bowl, beat egg whites, orange juice, oil, and vanilla; add to dry ingredients until just moistened. Fold in blueberries. Fill muffin cups (sprayed with nonstick cooking spray) about half full. Bake at 400 degrees for 17 minutes or until golden brown. Cool before serving. Makes 30 muffins.