Amazingly easy spanish rice

1 (20 ounce) jar mild or medium salsa (a few ounces less or minus on salsa doesn't affect recipe.)
1 cup water
1 tablespoon butter
1 cup instant rice

Bring water to a boil.
Add butter and jar of salsa and bring almost to a boil.
Add rice and remove from heat and let stand covered per instructions on instant rice box. That's it! Fluff with fork.
It is super simple and delicious!