Frosted Pineapple Squares
["1/2 c. sugar", "3 Tbsp. cornstarch", "1/4 tsp. salt", "1 egg yolk, beaten", "2 (14 oz.) cans pineapple (chunks or crushed), drained", "2/3 c. milk", "1 tsp. sugar", "1 pkg. dry yeast", "1/4 c. warm water", "4 c. flour", "1 c. butter", "4 egg yolks, beaten"]
["Combine first 5 ingredients in heavy saucepan.", "Cook over medium heat.", "Stir constantly until thick and smooth; set aside to cool.", "Scald milk and add sugar.", "Set aside to cool.", "Mix yeast and warm water; let it sit for a few minutes.", "Cut butter into flour and add eggs.", "Combine flour, yeast and milk mixtures. Dough will be moist.", "Divide in half.", "Roll each half out on a floured surface to fit the bottom of a jelly roll pan.", "Spread cooled pineapple filling and cover with second half.", "Seal edges; snip surface of dough to let steam escape.", "Cover with clean towel and let rise in a warm place for about one hour.", "Bake at 375\u00b0 for 35 to 40 minutes.", "Frost with confectioners sugar frosting.", "May want to use 2 cans of canned pie filling or substitute other canned fruit or fresh fruit or pineapple."]
["sugar", "cornstarch", "salt", "egg yolk", "pineapple", "milk", "sugar", "yeast", "warm water", "flour", "butter", "egg yolks"]