Loaded Mashed Potato Cakes

Place bacon in a large skillet and cook over medium-high heat turning occasionally until evenly browned about 10 minutes. Drain the bacon slices on paper towels reserving bacon grease in skillet; crumble bacon.

Melt butter in bacon grease over medium heat; cook and stir onion celery and garlic until tender and lightly browned about 15 minutes. Transfer vegetables and bacon to large bowl; stir in mashed potatoes American cheese flour egg mustard black pepper and hot sauce.

Heat vegetable oil in a clean skillet over medium heat. Drop spoonfuls of mashed potato mixture flattening slightly and fry patties until golden brown on both sides 5 to 7 minutes. Serve with sour cream.