Gather the ingredients for making Southwest tuna salad. Here is everything you'll need to make a Southwest tuna salad:
2 6 oz. cans of drained tuna
2 2.5 oz. cans of sliced black olives, drained and rinsed
1 4 oz. can diced green chillies, drained
1/4 cup diced green bell pepper
1/4 cup diced white onions
2 tbsp. minced cilantro
2 tbsp. mayonnaise
2 tbsp. sour cream
2 tbsp. lime juice
1/2 tsp. garlic salt
1/2 tsp. ground cumin
1/4 tsp. chili powder
1/8 tsp. ground black pepper
1 tbsp. Tobasco sauce