20 Minute Grain Mill Refried Beans. Adapted from Rita Bingham, Country Beans Ingredients 1/3 cup dried pinto beans, checked for rocks and broken beans, ground in grain mill 1 Tablespoon bacon grease or canola oil 1/4 cup onion, diced 1 clove garlic, minced 1/4 teaspoon cumin powder 1/4 teaspoon chili powder 1 Tablespoon canned green chilies 2 1 ...