Cauliflower Stroganoff

Ingredients

• .25 cup unsalted butter, divided
• 1 large cauliflower, cut into florets (about 10 cups)
• 1 large onion, thinly sliced
• 2 tbsp finely chopped fresh thyme
• 2 cloves garlic, minced
• .25 cup all-purpose flour
• .33 cup tomato sauce
• 2 tbsp Better Than Bouillon Sautéed Onion Base
• 1 tbsp Dijon mustard
• 2 bay leaves
• .25 cup finely chopped fresh parsley
• 1 cup sour cream