Tomato, to-mah-to -- can there really be much of a difference between tomato purée and paste? Actually, yes. Although they both come from the same fruit (yes, a tomato is technically a fruit!

Drain if necessary. Add to slow cooker. Add diced tomatoes, tomato paste, tomato sauce, sugar and seasonings. Stir well. Cook on LOW for 6 hours. Turn off heat and let sit covered for 1 hour ...

Add gochujang and tomato paste, and cook over medium, stirring constantly, until darkened in color, about 2 minutes. Add ...

tomato paste, tomato sauce, sugar and seasonings. Stir well. Cook on LOW for 6 hours. Turn off heat and let sit covered for 1 hour before serving. Serve with your favorite pasta.