Rich Onion Beef Soup

Quick and flavorable, copied this from one of my moms magazines. Thumbs up recipe even for our picky 10 yr. old, his only complaint was he wanted a fork not a spoon packed in his lunchbox, or else he would have eaten it all!

• Ready In: 50 mins
• Serves: 4

Ingredients

• 2  cups  thinly sliced sweet onions
• 4  tablespoons butter
• 2  lbs  cubed deli roast beef or 2  lbs  leftover cubed cooked beef roast
• 2 (14 1/2ounce) cans beef broth
• 4  tablespoons all-purpose flour
• 1⁄2 teaspoon ground mustard
• 1⁄2 teaspoon sugar
• 1⁄2 cup red wine
• 1  teaspoon  browning sauce

Directions

1. In large saucepan cook onions in butter over medium-low heat 15 to 20 minutes or until tender and golden brown, stirring occasionally.
2. Add beef and broth.
3. Bring to a boil.
4. Reduce heat, cover and simmer 10 minutes.
5. In a small bowl, combine flour, mustard and sugar, stir in wine and browning sauce until smooth.
6. Stir into the soup.
7. Bring the soup to a boil and cook and stir for 1-2 minutes or until slightly thickened.