Raspberry Crumble Bars. You can cook Raspberry Crumble Bars using 9 ingredients and 8 steps. Here is how you achieve it. Ingredients of Raspberry Crumble Bars It’s 3/4 c of Butter. Prepare 1/2 c of Sugar. Prepare 1/4 c of Brown Sugar. It’s 1 tsp of Vanilla. Prepare 1 c of Flour. Prepare 3/4 c […]