Shrimp Imperial

1 3/4 lb. large raw shrimp
2 Tbsp. butter
1 Tbsp. olive oil
1 Tbsp. finely minced garlic
2 Tbsp. finely minced shallots
salt and pepper to taste
2 Tbsp. lemon juice, or more to taste
2 Tbsp. freshly fine chopped dill

Peel and devein the shrimp. Melt butter and oil, add garlic and shallots and saute 2 minutes without browning. Add shrimp, increase heat slightly and cook 3 minutes. Add salt and pepper, toss well. Scrape contents of pan into a bowl, add juice and dill, blend well. Cover and chill 3 or 4 hours.