Easy Authentic Spanish Rice

Melt butter in a large skillet over medium-high heat; cook and stir onions and jalapeno peppers in the butter until softened 3 to 5 minutes. Stir Mexican-style tomatoes into onion mixture; add rice salt and black pepper. Bring rice mixture to a boil reduce heat cover and simmer until rice is cooked 40 to 45 minutes. Garnish with sour cream and Cheddar cheese to serve.