Good-Cooking - Pineapple Stacked Cake

Ingredients

• 1 (18 1/2 ounce) box Duncan Hines Butter Cake Mix
• 1 (20 ounce) can crushed pineapple in heavy syrup
• 1/4 cup granulated sugar
• 2 egg yolks
• 3 level tablespoons flour
• 2 egg whites
• 1 1/2 cups granulated sugar
• 2 tablespoons white corn syrup
• 5 tablespoons water
• 1/8 teaspoon cream of tartar
• 1 teaspoon vanilla extract