Easy three-ingredient tomato soup

Source from inspired taste

PREP: 5mins
COOK: 30mins
TOTAL: 35mins
YOU WILL NEED (Makes 2 servings)

• 4 tablespoons unsalted butter
• 1/2 large onion, cut into large wedges
• 1 (28-ounce) can tomatoes ( you can use the whole peeled/crushed/fresh tomatoes)
• 1 1/2 cups water( you can use vegetable stock/chicken stock)
• 1/2 teaspoon salt.

DIRECTIONS

• Melt butter over medium heat in a Dutch oven or large saucepan.
• Add onion, water, can of tomatoes with their juices, and 1/2 teaspoon of salt.
• Bring to a simmer. Cook, uncovered, for about 25-30 minutes. Stir occasionally and add additional salt as needed.
• Blend the soup, and then season to taste.
• Depending on what I have in kitchen, I may add cooking cream/milk/pepper/basil, etc.

PS: I just looked at this recipe the first time I tried. After that, I don't follow exactly the ratio, just put 3 ingredients based on my feeling that day  .