Food & Cooking Recipes Appetizers Rhubarb & Beets 3.5 (13) Close Credit: Romulo Yanes Rather than tempering rhubarb's tartness with refined sugar, roast it with beets instead. Directions Toss rhubarb slices with olive oil and beets. Season with salt and pepper, and roast at 375 degrees until tender. Top with walnuts to finish.