|Heat the oil in a skillet over medium heat, and brown the roast on all sides. Season with salt and pepper, and transfer to a slow cooker.|
|Dissolve the vegetable bouillon in the boiling water, and pour into the slow cooker. Mix the pepperoni, onion, black olives, garlic, and tomatoes into the slow cooker.|
|Cover, and cook 4 hours on High or 8 hours on Low.|
I like to cook this and serve it over rice, and finish it up with home made bread pudding!
found at Allrecipes.com