Step 1

Rough chop cucumbers, serrano chilies and onion. Place in blender. Add lime juice, vinegar and salt, then blend on high for 2-3 minutes until liquid is formed.

Step 2

Strain saving liquid and discard solids left behind.

Step 3

Butterfly cleaned shrimp and place in a bowl. Gently pour liquid over shrimp and stir evenly.

Step 4

Chill shrimp and allow to marinate for at least 2 hours. The shrimp is ready to serve once it has become white and firmed up.

Step 5

Slice cucumbers and onions thinly and mix into cooked shrimp.

Step 6

Serve in a bowl with the liquid.

Step 7

Garnish with avocado slices and cilantro leaves.

Step 8

Drizzle with olive oil.