You will need the following:
2 lb. roast
1 packet of au jus seasoning
1 packet of ranch dressing seasoning
1/2 stick of butter
Put the roast in the crock-pot. Pour a little juice from the peperoncini's and put as many peperoncini's as you would like in the crock-pot, ensuring you have some on the roast to infuse that delicious flavor. Then pour each seasoning packet onto the roast. Make a small slit on the top of the roast and nest the 1/2 cube of butter in the slit (this will ensure that it won't slide off). Cover and set to low and cook for 8 hours.
I will normally serve with mashed potatoes and green beans. Once the roast is done there is juice remaining that I use to pour on the potatoes.