Well obviously so, since that's how she's been making it for decades and I never noticed before...
Ingredients......1 pot roast
...1 packet dry onion soup mix
...1 can cream of mushroom soup
...1 bottle Pepsi
Place roast in slowcooker and top with remaining ingredients, making sure to combine everything well. Cook on low for 8-9 hours.
For more great crockpot recipes, be sure to check out Crockpot Wednesday over at Dining with Debbie!