Gourmet Onion Casserole Unverified!

I'm not entirely sure what a #303 can is, but I'm sure one of my friends could probably help me convert it. This is a really weird sounding title for a dish and I'm note entirely sure what to make of it. Could be really good -- the typing is -- or...?

Ingredients

  • 2 #303 cans whole onions
  • 3 Tbsp butter
  • 3 Tbsp flour
  • 1 Can cream mushroom soup
  • 1/2 moderate cup white wine
  • salt and pepper, to taste
  • 1/2 cup sliced almonds
  • 1/2 cup sharp cheddar, grated
  • 1 small "glass" sliced pimento
  • 1 Cup mushrooms

Preparation

Melt butter and stir in flour. Add to this the soup and wine. Stir constantly until thick. Add salt, pepper, almonds, pimento and mushrooms. Sprinkle with cheddar cheese and bake 30 minutes at 375F