Preheat oven to 375 degrees F. In large bowl, combine flour and cauliflower, toss until fully coated

Set up dredging station: In one bowl, add Panko breadcrumbs and in another bowl, whisk eggs and add 2 tablespoons water. Dip cauliflower in beaten eggs, then Panko until fully coated. Transfer to a patch-lined baking sheet and season generously with salt and pepper

Bake until golden and crispy, 20-25 minutes

In small saucepan over low heat, warm barbecue sauce, brown sugar, lime juice, and garlic powder

Coat baked cauliflower in sauce and serve with ranch, if desired