Step 1

Melt the butter and oil in a heavy skillet over medium-high heat.

Step 2

Add the garlic, onion and jalapeno.

Step 3

Cook, stirring until the onion begins to wilt, approximately 3 minutes.

Step 4

Add the red pepper flakes and oregano.

Step 5

Continue cooking until the onion becomes translucent, approximately 3 additional minutes.

Step 6

Add the tomatoes.

Step 7

Cook, stirring occasionally, until the tomatoes are soft.

Step 8

Add the shrimp, zest and lime juice, salt and black pepper.

Step 9

Cook until the shrimp are just opaque. Be careful not to overcook.

Step 10

Remove the pan from the heat and stir in the cilantro.