Place onions and garlic in a 15-10x1 inch baking dish coated with nonstick spray. Spritz with nonstick cooking spray. Bake, uncovered at 450 degrees F for 50-60 minutes or until tender.
When cool enough to handle, peel the onions and garlic. Place in a blender; add 1 cup of broth. Cover and process until smooth; transfer to a large saucepan. Add the buttermilk, thyme, pepper and remaining broth; heat through. Garnish with cheese.
By Raymonde from North Bay, Ontario
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