Toss the shrimp in the avocado oil and garlic powder. Season with salt and pepper.
Put the shrimp on a cookie sheet in a single layer. Cook in the oven for 3-6 minutes just until the shrimp turn pink and start to curl. Allow the shrimp to cool.
Toss the shrimp with the tomato. Squeeze the lime on top and add the chopped cilantro. Salt and pepper again.
When you are ready to serve the dish carefully fold in the avocado.
Serve room temperature or chilled.
Notes
Serve this chilled or room temperature. Add the avocado just before serving.