Mushroom Lover's Shrooms

• 1 cup (225 ml) butter or margerine (I use butter)
• 1-1/2 cups (350 ml) onion, diced fine (sweet is best)
• 2 lbs (.9 kg). medium white mushrooms, cut in half
• 1 cup (225 ml) brown sugar, well packed
• 4 tsp (20 ml). Worchestershire sauce
• 4 tsp (20 ml). prepared mustard
• 1 tsp (5 ml). salt
• 1/2 tsp (2 ml). pepper

1. Melt butter in frying pan.
2. Add onion & saute until soft, stirring often.
3. Add remaining ingredients; stir to combine.
4. Cook until evenly heated.

butter, onion, brown sugar, worchestershire sauce, mustard, salt, pepper

Taken from online-cookbook.com/goto/cook/rpage/0005B1 (may not work)