fresh corn and black bean salad

Ingredients

• - 8 ears fresh corn, cut off cob (or frozen corn)
• - 1 can black beans (rinsed and well drained)
• - 2 fresh tomatoes chopped (or 1 large can petite diced tomatoes drained well )
• - 1/2 red onion, chopped
• - 1 bunch of fresh green scallions, chopped
• - 1 red bell pepper, chopped
• - 1 bunch fresh cilantro, chopped
• - juice of 3 limes
• - kosher salt and cracked black pepper to taste
• - fresh avocado, cut into large chunks [optional, add just before serving]
• 1/2 cup olive oil
• - 1 clove garlic, chopped [optional]