This appears to have an Alfredo sauce with it; hopefully it is what you are looking for.

SHRIMP SCAMPI APPETIZER (LIKE OLIVE GARDEN)

FOR THE SHRIMP SCAMPI:
1/8 cup olive oil
1/2 cup white wine (Chablis)
2 tbsp. fresh lemon juice
6 pieces fan tail shrimp (uncooked)
FOR THE ALFREDO SAUCE:
1 tbsp. onion, finely diced
1/4 tsp. garlic salt or 1/2 tsp. minced garlic
1 tbsp. flour (mix with 1 tbsp water)
1/2 cup heavy cream
1/2 cup plus 1 tbsp Asiago cheese, finely shredded
1/4 cup mozzarella cheese, finely shredded
1 tbsp. Romano cheese, finely shredded
1/4 cup water (only if sauce is too thick)
TO SERVE:
4 slices Italian bread (lightly toasted; 4-6-inches long x 1 1/2-inches thick, diagonally cut)
1 green onion (sliced - measure out about 1 tsp.)
4 black olives, sliced
1/4 cup diced tomato
1/4 tsp. crushed red pepper

TO COOK THE SHRIMP:
Heat oil in a saucepan, add wine and lemon juice, when mixture starts to boil, add shrimp and cook on medium heat until shrimp curls and they are done. Remove shrimp but leave wine mixture in pan.

TO MAKE THE ALFREDO SAUCE:
Add onion and garlic salt to the wine mixture in the pan and sauté until the onions are transparent.

Add flour and water paste, stir and cook until sauce is thick.

Pour cream in sauce stir; add the cheeses one at a time and whisk constantly after each addition. Sauce should be a medium thick consistency and smooth, add water if too thick Remove from heat.

TO SERVE:
Place Italian bread on serving tray in an X. Arrange the cooked shrimp in the middle of the placed bread. Spoon sauce in the middle of the bread covering the shrimp. Sprinkle with sliced green onions, olives, and diced tomato. Sprinkle crushed red pepper on top. Sprinkle more Romano cheese on top if you would like.