Here is another very good version:

1 cup (2 sticks) of butter (salted)
1 cup olive oil
2 tsp garlic (a little more of you like)
4 bay leaves
2 tsp. dried rosemary leaves crushed
1/2 tsp dried basil
1/2 tsp oregano
1/2 tsp salt
1/2 tsp cayenne (more if you want it real hot)
1 tbs paprika
3/4 tsp Black pepper
Juice of 1 lemon
2 lbs large to jumbo shrimp heads on.

In a heavy sauce pan melt the butter and oil together and then add all of the ingredients and bring to a simmer stirring constantly. Simmer for about 10 minutes. Take off heat and let stand for at least 15 minutes to let the flavors blend. Add shrimp and cook until just pink and then put in a 450 degree oven for about 10 minutes. Serve equal portions of the shrimp in a bowl with about 1/2 cup of sauce ladled over the shrimp with warm french bread on the side for dipping. Serves 4.

Don't let your cardiologist see this.