Trader Joe's rice mix, peas and parmesan

1 cup Trade Joe's brown rice medley
2 1/2 cups water
1 tbsp butter
about 1 cup frozen peas
freshly grated parmesan, according to taste

Bring water to boil. Add butter and rice medley, simmer for about 35 minutes. Add peas, cook until peas warm up. Add freshly grated parmesan.