Watermelon and Corn Salsa

1 ear leftover roasted corn, kernels cut from cob

2 tomatoes, diced

¼ sweet onion, diced

1 lime, juiced

1 ½ teaspoons olive oil

1 ½ cups cubed seeded watermelon

salt to taste

Mix tomatoes, corn, and sweet onion in a bowl. Sprinkle lime juice over tomato mixture. Pour olive oil over tomato mixture. Fold watermelon into tomato mixture. Season with salt to serve. Let sit 5 minutes before serving.