For nutritious meals that four-year-olds can choose, you can refer to the following combinations: Pairing 1: 243 ml of milk, 1 egg, mixed mixed egg rolls with spices. Pairing 2: 243 ml of milk, 20 grams of apples, green bean porridge, 10 grams of millet, 5 grams of mung beans, 5 grams of vegetables, soft egg cakes, 20 grams of apples, and 15 grams of snacks. Pairing 3: 43 ml of milk, sesame seed cakes. Pairing 4: Millet and jujube porridge (45 grams of millet, 10 grams of jujube puree); Fried pork with kelp (20 grams of kelp, 45 grams of lean pork). Pairing five: millet, black rice and fragrant rice porridge (20 grams of fragrant rice, 5 grams of black rice, 20 grams of millet); braised carp (50 grams of carp). Pair 6: Green vegetable and meat buns (50 grams of flour, 40 grams of lean pork, 30 grams of green vegetables); cabbage and shrimp skin soup (10 grams of cabbage, 5 grams of shrimp skin)