GRILLED CORN AND BLACK BEAN SALSA

2 cups grilled corn, cut from the cob (or frozen corn, thawed)

1 can black beans, drained in a colander and rinsed with cold water

½ medium onion, diced

1 cup tomatoes, chopped

1 avocado, chopped

½ cup fresh cilantro chopped

2 tablespoons fresh lime juice

3 tablespoons olive oil

2 teaspoons cumin

1 teaspoon salt

1 teaspoon black pepper