Preheat oven to 400 degrees
Melt butter and pour over the bottom of 9x9 casserole dish. (Can substitute 3 tbsp olive oil for butter, or use half the amount of butter called for)
Add in peeled and deveined shrimp. Then evenly pour over 2 tbsp of lemon juice, 1 1/2 tbsp minced garlic, and sprinkle with pepper.
Rinse cherry tomatoes and shake off excess water. Cut all the tomatoes in half and evenly place over the top of the shrimp.
Sprinkle chopped oregano and 2 tbsp of parsley over tomatoes.
Crumble feta cheese evenly over the top of the whole dish.
Place in oven and bake for 30-35 minutes, feta cheese should be golden brown in places.
Start pot of water to boil for pasta. Add 1/4 tsp salt and 1/2 tbsp of olive oil to water. Once water is boiling, cook pasta according to package directions.
Once dish is done baking, pull out of oven and serve over fettuccine noodles. Sprinkle each dish with remaining chopped parsely and fresh, chopped green onions. Enjoy!