- In a bowl, mash the avocado until smooth. Add all the remaining ingredients for the guacamole. Stir until well combined, cover, and refrigerate. - 1 ripe avocado, 1 tbsp. fresh cilantro, 1 tbsp. fresh lime juice, 1 garlic clove, ¼ cup Roma tomatoes, ¼ cup red onion 
- Preheat the grill to medium-high heat. 
- Place the shrimp in a bowl and toss with the olive oil, chili powder, paprika, cumin, onion powder, garlic powder, oregano, salt, and pepper. - 1 lb shrimp, 1 tbsp. chili powder, ½ tbsp. paprika, 2 tsp. ground cumin, ½ tsp. onion powder, ½ tsp. garlic powder, ½ tsp. dried oregano, 2 tbsp. olive oil, Sea salt and freshly ground black pepper; 
- Grill the shrimp until cooked through, about 3 to 4 minutes per side. - Cooking fat 
- Top each cucumber slice with guacamole and shrimp. - 1 cucumber 
- Serve topped with fresh cilantro.