Trail Mix Bars Name: Christina Gendreau Base: Imperial Beach Recipe: PLACE: 2 Tbsp. Butter/ margarine and. 1/2 cup peanut butter in large microwaveable bowl. Microwave on MEDIUM 1 min; stir. ADD: 4 cups Jet- Puffed Miniature Marshmallows; toss to coat. Microwave an additional 1 1/2 min. Or until marshmallows are puffed; stir until well blended. Add 6 cups Post Fruit & Bran with Peaches, Raisins, Almonds Cereal, crushed; mix well. PRESS: cereal mixture firmly into 9-in square pan. Let stand 1 hr. or until firm. Cut into 20 bars to serve. Make 20 servings, 1 bar each.