A high protein (up to 40%) tetraploid oat variety is provided that is suitable for large scale oat production using standard farming practices. A tetraploid oat variety includes one or more of lodging resistance, shattering resistance, erect growth habit, and seeds similar to traditional cultivated hexaploid oat, A. sativa. The tetraploid oat variety of the invention can also include a stable fatty acid profile, high iron content, high folic acid content, or high free essential amino acid content. A tetraploid oat variety may be used as foundational seed in a plant breeding program for development of lines and varieties with high protein content. Oat products produced from the tetraploid oat variety of the invention are also included as well as resultant oat foodstuffs such as high protein granola bars, hot cereals food stuffs, cold cereal foodstuffs, snackbars, cookies, gluten-free products, snacks, muffins, pancake mix and the like.