Melt 2 Tablespoons butter in a large skillet over medium-high heat. Add shrimp and cook until no longer pink and cooked through, approximately 2-3 minutes.
Remove shrimp from skillet.
In same skillet, sauté garlic for 1 minute.
Add chicken broth and lemon juice; reduce by half.
Reduce heat and add remaining butter. Stir until butter is melted. Add shrimp back in.
Serve over pasta if desired.