• Catfish is one of the best sources of vitamin D, a vital nutrient that helps your body absorb and retain calcium, promoting bone health. • Beef is a good source of nine essential nutrients. The leanest cuts, such as those used for cubed steak, average just 1 more gram of saturated fat per serving than a skinless chicken breast. • Low-calorie, high-fiber potatoes offer vitamins C and B6 and potassium. Mashed potatoes are a favorite (especially with Chicken-fried Steak), but skip the butter, and stir in a few spoonfuls of fat-free cream cheese instead. The cheese adds richness and calcium and lowers the glycemic index of the potatoes.