Cook the grits as directed on the package in a sizable saucepan of boiling water.

Melt the butter in a large skillet over medium heat. Add the shrimp and simmer for 3 minutes or until opaque.

Add the flour, stir, and cook for one minute. Slowly whisk in the chicken broth before adding it.

Add the black pepper, salt, cayenne, garlic powder, and onions. 5 minutes of simmering.

Over the heated grits, serve the shrimp mixture.