Bonnie's Homemade Salsa

* 6 plum tomatoes diced fine * 2 large onions diced fine * 1/2 cup fresh cilantro chopped * 2 to 3 jalapenos finely chopped * 1 T. chopped garlic * 1 lemon * 1 T. olive oil * sugar to taste * 1 T. cumin * salt & pepper to taste * OPTIONAL: * 2 mangoes finely chopped

Mix together and chill. Serve with chips.