Coconut-Pineapple Rhubarb Bars Recipe

Preheat oven to 350 °. In a large saucepan, combine rhubarb, pineapple, brown sugar, 1 tablespoon water and lemon juice; bring to a boil. Reduce heat; simmer, uncovered, 4-5 minutes or until rhubarb is tender. In a small bowl, mix cornstarch and remaining water until smooth; stir into rhubarb mixture. Return to a boil; cook and stir 1-2 minutes or until thickened. Remove from heat; if desired, stir in extract. In a large bowl, mix oats, flour, coconut, brown sugar and salt; stir in melted butter until crumbly. Press 3 cups crumb mixture onto bottom of a greased 13x9-in. baking dish. Spread with rhubarb mixture. Sprinkle with remaining crumb mixture. Bake 40-45 minutes or until golden brown. Cool in pan on a wire rack. Cut into bars.