In an 8-inch cast-iron skillet, heat oil over medium-high heat. Add garlic; cook until fragrant, about 30 seconds. Add flour, and whisk to combine. Cook until browned and bubbly, about 3 minutes. Whisk in buttermilk and thyme; cook until thickened, about 3 minutes.
Recipe by Southern Cast Iron at https://southerncastiron.com/fried-pork-cutlets-with-buttermilk-thyme-gravy/