The crushed tomatoes and broth look thin when they first go into the pot, but after a gentle simmer and a thorough blend, they turn into a smooth, filling soup. That’s the part I like about this high protein tomato soup: the beans and cottage cheese build body right into the bowl, without needing cream to make it feel substantial.
Tomato paste gives the canned tomatoes a deeper, rounder base, while dried basil keeps the flavor familiar and simple. I blend the beans into the soup rather than leaving them whole, so each spoonful stays silky. The result is a warm tomato soup with a mellow savory edge and enough substance to stand on its own for lunch.
Kitchen Note
Drain and rinse the cannellini beans well before they go into the pot. That quick rinse clears away the canning liquid, so it won’t muddy the tomato flavor or make the soup taste starchy.
Save this high protein tomato soup for a cozy lunch with a smooth, creamy texture from blended beans and cottage cheese.
Why Cottage Cheese Goes In After the Soup Leaves the Heat
Cottage cheese gives this soup its creamy finish and adds protein, but it needs a gentler landing than the tomatoes and broth. If it goes into a bubbling pot, the curds can stay visible or turn grainy instead of blending into the tomato base. Taking the pot off the heat first gives the blender a chance to smooth everything together before the soup gets warm again.
There’s a useful distinction between blending the soup and reheating it. First, blend the simmered tomato-and-bean mixture until smooth; then blend in the cottage cheese. After that, use low heat just to bring the soup back to steaming. It shouldn’t boil. That sequence keeps the finished texture creamy rather than asking the cottage cheese to simmer along with the tomatoes.
The beans help with the texture, too. Once blended, cannellini beans thicken the soup without leaving a separate bean layer or a floury taste. You get a cohesive tomato soup, not a bowl of tomato broth with bits settling at the bottom.
What the Tomatoes, Beans, and Cottage Cheese Each Bring
- Crushed tomatoes and tomato paste — Canned crushed tomatoes give the soup a steady tomato base, and tomato paste contributes concentrated depth that crushed tomatoes alone don’t quite provide. If you only have canned whole peeled tomatoes, crush them by hand before adding; keep the tomato paste in the pot for that richer base.
- Cannellini beans — These mild white beans blend into a soft, creamy body without taking over the tomato flavor. Great Northern beans are the closest swap; they blend smoothly in the same way and keep the soup’s texture familiar.
- Cottage cheese — This is the creamy, protein-rich finish, not a garnish. A smaller-curd cottage cheese tends to blend quickly, but any cottage cheese works if you keep blending until no curds remain. Ricotta can stand in one-for-one, though the soup will be less tangy and its protein content will differ.
- Chicken broth — Broth gives the tomato base a savory note and loosens it enough to simmer. For a vegetarian version, use vegetable broth in the same amount; choose one with a mild flavor so it doesn’t crowd out the tomatoes and basil.
- Yellow onion, garlic, and dried basil — The onion softens into the base, garlic adds a sharper savory note, and dried basil gives the tomatoes a familiar herbal flavor. A white onion works in place of yellow, while fresh garlic is worth using here because it cooks briefly with the tomato paste.
The Stages That Build a Smooth Tomato Soup
Soften the onion without browning it
Heat the olive oil in a 4-quart saucepan or Dutch oven over medium heat, then add the diced onion. Cook for 5 to 7 minutes, stirring occasionally, until it has softened. The pieces should look tender rather than browned; if they’re catching on the bottom before softening, lower the heat slightly. This gives the onion time to mellow in the oil.
Cook the garlic and tomato paste briefly
Add the minced garlic and tomato paste, then stir constantly for 1 minute. Keep the garlic moving so it doesn’t sit against the hot pan and turn bitter. The paste should coat the onion and look darker and more concentrated by the end of the minute. Don’t leave this stage unattended; the garlic cooks quickly.
Simmer the tomato and bean base
Stir in the crushed tomatoes, chicken broth, cannellini beans, dried basil, kosher salt, and black pepper. Bring the mixture to a simmer over medium-high heat, then reduce the heat until it holds a gentle simmer. Cook uncovered for 15 to 20 minutes, stirring occasionally. Look for small, steady bubbles rather than a hard boil, which can splatter and cook the liquid down too aggressively.
Blend the soup before adding cottage cheese
Remove the pot from the heat and blend the soup with an immersion blender until smooth. Move the blender around the pot so you don’t leave pockets of whole beans or onion behind. Once the base looks even, add the cottage cheese and blend again until completely smooth. If you still see white flecks, keep blending rather than trying to hide them with extra heat.
Warm it gently to finish
Return the pot to low heat and warm the soup until it’s steaming. Stir as it heats, scraping the bottom so the thicker soup doesn’t settle and scorch. Don’t let it boil; a rolling boil can undo the smooth texture you just worked for. Serve once it’s hot throughout and evenly creamy.
Simple Swaps for a Different Bowl
Make it vegetarian with vegetable broth
Replace the chicken broth with the same amount of vegetable broth. The soup keeps its tomato-and-basil character, with a slightly different savory background; a mild broth works best so the vegetable notes don’t dominate.
Use Great Northern beans for a softer swap
Swap in an equal-size can of Great Northern beans for the cannellini beans. They’re similarly mild and blend into a smooth soup, so the change is subtle rather than a new flavor direction.
Trade dried basil for dried oregano
Use the same amount of dried oregano in place of the dried basil. The soup will taste a little earthier and less sweet-herbal, but oregano holds up well through the simmer and still pairs naturally with the tomatoes.
Storage and Reheating
- Refrigerator: Refrigerate in a sealed container within 2 hours and use within 3 to 4 days. The soup may thicken as it chills.
- Freezer: Freeze in airtight portions for up to 2 to 3 months. Thaw overnight in the refrigerator; the texture may separate slightly, so stir or blend it again after thawing.
- Reheating: Warm on low heat, stirring often, until the soup reaches 165°F. Avoid a hard boil, which can make the cottage cheese less smooth.
Questions That Come Up While Making This Tomato Soup
High Protein Tomato Soup
Ingredients
Equipment
Method
- Heat the olive oil in a 4-quart saucepan or Dutch oven over medium heat.
- Add the onion and cook for 5 to 7 minutes, stirring occasionally, until softened.
- Add the garlic and tomato paste and cook for 1 minute, stirring constantly.
- Stir in the crushed tomatoes, chicken broth, cannellini beans, basil, salt, and pepper.
- Bring the soup to a simmer over medium-high heat.
- Reduce the heat to maintain a gentle simmer and cook uncovered for 15 to 20 minutes, stirring occasionally.
- Remove the pot from the heat.
- Blend the soup with an immersion blender until smooth.
- Add the cottage cheese and blend again until completely smooth.
- Return the pot to low heat and warm the soup until steaming, without letting it boil.
