In a heavy sauce/soup pan add olive oil over med heat. When nice and hot add in the chopped onion and onion powder, brown onions until sligtly crispy and golden brown. Add in mushroom pieces cook until tender, not mushy. Add in California Seasoning Blend. Stir to blend well.
Add in dry sherry. Stir to loosen brown bits on bottom of pan.
Add to onion and sherry the can of mushroom soup, 1 can of water, and the cream. Stir genlty until warmed through. Serve and enjoy.