Step 1

Combine first 4 ingredients in slow cooker sprayed with cooking spray; cover with lid. Cook on HIGH 1 hour, stirring after 30 min.

Step 2

Reduce heat to LOW. Add broth, water, beer and thyme to slow cooker; stir. Cook, covered, on LOW 6 to 8 hours (or on HIGH 4 hours).

Step 3

Heat broiler. Ladle soup into 10 ovenproof bowls; top with toast slices and cheese.

Step 4

Broil, 6 inches from heat, 3 to 5 min. or until cheese is melted and golden brown.