Melt 1 Tablespoon butter in a skillet over medium heat.
Add olive oil and garlic to skillet and stir to combine.
Add shrimp to skillet and toss to coat with butter mixture then spread into a single layer.
Cook shrimp for 3-4 minutes, stirring to make sure all sides are done. Shrimp are done when the flesh turns white and slightly opaque. Keep tongs handy to lift any out that are finished early. Remove shrimp to serving dish.
Once all of the shrimp are removed, melt 1 Tablespoon of butter in the skillet.
Add lemon juice and vegetable broth and stir to combine. Allow sauce to simmer over low heat for about 5 minutes in order to thicken.
Pour lemon butter garlic sauce over shrimp. Garnish with chopped parsley if desired.