Blend the beans into the sauce

• Add the drained black beans to the tomato sauce.
• Blend until completely smooth so the beans are undetectable.

Brown the meat

• Heat the olive oil in a frying pan over medium-high heat.
• Add the ground beef and cook, breaking it up, until browned.

Simmer the sauce

• Pour the blended bean and tomato sauce over the meat.
• Season with salt and simmer gently, stirring occasionally.

Cook the spaghetti

• Boil salted water in a stockpot and cook the spaghetti until al dente.
• Drain the pasta in a colander.

Combine and serve

• Toss the spaghetti with the bean meat sauce.
• Serve hot.