place the steak in the bottom of the crock pot.
2. layer sliced onions and mushrooms on top of meat.
3. in a medium bowl, mix together the dried soup mixes, cream of mushroom soup, and water. pour over meat, mushrooms, and onions.
4. turn on crock pot and set for 8 hours on low or 4-5 hours on high.
5. when read to serve, turn off crock pot and stir in sour cream.
6. serve over rice, boiled potatoes, or egg noodles. enjoy! 