6 ripe hass avocados the juice of 1 lime 1 ear roasted corn, kernels cut from cob (1 cup) 1 medium tomato, diced (1 cup) 1/4 red onion, diced (1/4 cup) 1/4 cup freshly chopped cilantro 1 clove garlic, diced fine 1 jalapeno, diced fine (optional)