Use fully cooked canned kidney beans. Optional seasoning: 1/8 teaspoon fine salt or 1/2 teaspoon dried herbs. The featured photo shows an optional garnish of sesame seeds and extra cooked kidney beans. Refrigerate within 2 hours and use within 3–4 days, or freeze slices for 2–3 months for best quality. Nutrition values are approximate per slice, based on eight slices, and exclude optional additions.