Instructions: In a large pot, cook pasta according to package directions.

In a small saucepan, saute onions and garlic in olive oil until browned.

In a large saucepan, melt butter, add flour and stir. Slowly add half-and-half and milk and simmer, stirring constantly until thickened. Add cheese and seasonings. Stir until cheese melts. Add tomatoes, spinach and onion mixture. Heat through. Pour over warm pasta, toss and serve.

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