California Spanish Salad

California Spanish Salad from An Oridinary Mom
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1 head lettuce
2-3 tomatoes, diced
1/2 cup pitted sliced black olives
1/2 cup sliced green onions
1 cup corn chips, mashed coarsely (I prefer the Fritos brand.)
1 can tuna OR 1 can chicken (Often times I use rotisserie chicken from Costco which I debone and shred.)
1/2 cup shredded cheddar cheese
Dressing
1/2 cup mashed avocado (I simply use a whole one.)
1 Tablespoon lemon juice
1/2 cup sour cream (I use fat free.)
1/3 cup vegetable oil
1 clove of garlic, crushed
1/2 teaspoon sugar
1/4 teaspoon salt
Blend thoroughly in a blender.
Mix with greens and enjoy