Step 1

In a 2-quart slow cooker combine onions, broth, white wine, butter, garlic, and black pepper. Cover and cook on low-heat setting 6 to 7 hours or on high-heat setting 3 to 3 1/2 hours. If using high-heat setting, turn cooker to low-heat setting. Add cream cheese, stirring until combined.

Step 2

In a medium bowl toss Swiss cheese with flour. Stir into the mixture in the slow cooker. Cover and cook on low-heat setting 45 minutes to 1 hour more or until all of the cheese is melted and mixture is heated through.

Step 3

If desired, sprinkle dip with paprika. Serve with assorted dippers.