Raw oats can be made into oatmeal with fruits and nuts. Sugary prepared oatmeal should be avoided.
Chicken breast is lean protein. Without skin, its protein calories dominate.
Protein-rich tuna is commonly available and low in calories. Tuna is low-fat.
Tempeh, like tofu, is soybean-based. It has 20 g of protein per 100 g, more than tofu.
Spirulina is a freshwater and saltwater microorganism. A small bit of powdered it provides protein and minerals.
Legumes are protein- and fiber-rich. Because they're full, they're beneficial for weight loss.
Tropical guava is not always available. The most protein-rich fruit is guava. It contains vitamin C.
Fiber-rich artichokes contain protein. Artichokes work well in many recipes.
Peas are rich in protein, fiber, and other minerals. Peas are cheap, plentiful, and versatile.