Fried Custard Squares - (Leche Frita)

Recipe Instructions Mix cornstarch, milk, and sugar in pan. Cook over low heat while stirring until very thick (10 to 15 minutes). Pour into cooled flat dish placed over cold water. Allow to solidify in a cool place or in refrigerator for 2 hours. Cut into 1 1/2-inch squares with knife dipped in cold water. Dip squares in beaten egg, then in bread crumbs. Fry in 2 tablespoons butter mixed with 2 tablespoons olive oil and heated until it bubbles. Brown squares on both sides, dust them in sugar mixed with a little cinnamon, and serve hot.