Tex Mex Salad

Makes 1 serving

3 cups baby spinach
1/2 cup corn (frozen/defrosted or canned)
1/2 cup black beans
1/4 cup red onions, sliced into half moons
1/4 avocado, cut cross wise into thin slices
1/2 cup salsa
1 tbsp low-fat sour cream
Combine and mix all ingredients except the sour cream in a bowl, then top it off with the sour cream.