To make a pork picnic roast in the slow cooker, follow these steps ^{1 4 2 3}:

1. Season the pork roast with salt and pepper and place it in the slow cooker.
2. Add garlic, carrots, potatoes, onion, and celery to the slow cooker.
3. Pour broth over the roast and vegetables.
4. Cook on High for 2 hours, then baste and continue cooking until tender.
5. Alternatively, you can use cream of mushroom soup, soy sauce, and brown sugar for flavor.
6. Cook on low for 8 hours or high for 3-4 hours.
7. Serve with mashed potatoes and pan gravy.