Tuesday: Spicy Sweet Potato Salad High-fibre sweet potatoes can regulate blood sugar and help you lose weight, while a spicy, antioxidant-rich red pepper and jalapeño dressing ties everything together. This hearty dish is sure to satisfy. Calories: 270 Fibre: 4.8 grams Protein: 2.1 grams Image Source: POPSUGAR Photography / Lizzie Fuhr