Heat a skillet to medium-high heat. Drizzle with oil, add onions, grape tomatoes and garlic. Sauté until onions & tomatoes are softened, roughly 3 minutes.
Add in beans, crushed tomatoes, broth, salt & pepper and torn basil leaves.
Cook on medium-high until it begins to bubble and thicken, stirring often.
Add in Parmesan and spinach, mixing until spinach is wilted. Drizzle with olive oil and serve with crusty bread.
