Italian Sunday Gravy

2 onions, minced
1 6-oz can tomato paste
12 garlic cloves, minced
2 T vegetable oil
2 T minced fresh oregano or 2 t dried
1 28-oz can diced tomatoes, drained
1 28-oz can tomato sauce
1/2 cup dry red wine
1.5 lb bone in country style pork ribs, trimmed
1.5 lb flank steak salt and pepper
1 lb sweet Italian sausage
1 lb hot Italian sausage
3 T minced fresh basil

Microwave onions, tomato paste, garlic,oil, and oregano in bowl for 5 minutes and transfer to the slow cooker. Stir tomatoes, tomato sauce, and wine into slow cooker. Season pork and flank steak with salt and pepper and nestle into slow cooker along with sausages. Cover and cook until meat is tender, 9-11 hours on low or 5-7 hours on high. Transfer pork, steak, and sausages to cutting board, let cool slightly, then shred the pork and flank steak into bite size pieces; slice sausages in half crosswise. Stir shredded meat and sausages into sauce. Before serving, stir in basil and season to taste.