Season the steaks: Pat the cube steaks dry with paper towels and season both sides with 1 teaspoon kosher salt and 1/2 teaspoon freshly ground black pepper. Drying the meat removes surface moisture so the dredge will adhere and the crust will brown instead of steam.

Optional but recommended — tenderize in buttermilk: Place the seasoned steaks in a shallow dish, pour 3/4 cup buttermilk mixed with 1 teaspoon hot sauce over them, cover and refrigerate for 20–30 minutes. Buttermilk’s lactic acid gently breaks down muscle fibers for a more tender result and the brief soak helps the coating cling.

Prepare the dredge and squash: In a wide plate combine 1 cup all-purpose flour, 1 tsp smoked paprika, 1/2 tsp garlic powder, 1/2 tsp onion powder and a pinch of salt. In a separate bowl toss sliced squash and zucchini (about 1/4" rounds) with 1/4 cup cornmeal, a pinch of salt and a few grinds of black pepper. The cornmeal gives the squash a dry surface and tiny crispness that contrasts the tender steak.

Dredge the steaks: Remove steaks from buttermilk, letting excess drip off (don't pat completely dry — a little moisture helps the flour stick). Dredge each steak in the seasoned flour, pressing lightly to form an even coat and shaking off excess. A thin but complete coating crisps quickly without becoming gummy.

Heat the pan: Place a large heavy skillet (cast iron is ideal) over medium-high heat. Add 2 tablespoons vegetable oil and allow it to shimmer but not smoke (about 325–350°F). Getting the oil hot before the steak goes in ensures immediate browning (Maillard reaction) which builds flavor and a crisp crust.

Pan-fry the steaks: Add the steaks to the hot pan in a single layer (work in two batches if necessary to avoid crowding). Fry about 3–4 minutes per side until deep golden brown and edges are crisp. Turn only once to let a stable crust form. Cook time will vary slightly by thickness; internal target for cube steak (thin cut) is about 130–135°F for medium — it firms quickly, so avoid overcooking.

Rest the steaks: Transfer cooked steaks to a warm plate and tent loosely with foil while you finish the squash and make the gravy. Resting lets juices redistribute and prevents them from running out when you cut the meat.

Sauté the squash: Wipe out the pan leaving any browned fond (flavor). Add 1 tablespoon olive oil and 1 tablespoon butter over medium heat. Add the cornmeal-tossed squash in a single layer and cook without moving for 2–3 minutes so the undersides can brown. Flip and cook another 2 minutes. Add minced garlic and chopped thyme in the last 30–45 seconds to bloom their aromatics—this brightens the squash. Sautéing after the steaks uses the fond to flavor the veggies, tying the plate together.

Finish the squash: Remove the squash to a warm plate; squeeze 1 tablespoon lemon juice over them and season to taste with salt and pepper. The acid lifts the squash’s natural sweetness and balances the richness of the fried steaks and gravy.

Make the pan gravy: Return the skillet to medium heat. Add the small minced shallot and cook in the remaining fat until translucent (about 1–2 minutes) — this softens the shallot and releases sweetness. Sprinkle 1 tablespoon flour over the shallot and toast for 30–45 seconds to cook the raw flour taste and form a light roux that will thicken the gravy.

Deglaze and reduce: Slowly whisk in 1 cup beef stock, scraping up browned bits from the pan (those are concentrated flavor). Bring to a simmer and let the sauce reduce for 3–4 minutes until slightly thickened. Taste and adjust seasoning with salt and pepper. The reduction concentrates flavor and the whisking emulsifies the roux into a smooth gravy.

Finish the sauce and plate: Swirl in the remaining 1 tablespoon butter off-heat for sheen and to round out the gravy. Spoon a generous portion of squash onto each plate, top with a cube steak, and ladle the warm gravy over the steak. Garnish with chopped parsley for freshness and color.

Serve and enjoy: Serve immediately while hot so the crust stays crisp and the squash retains its brief snap. Encourage guests to spoon gravy over both steak and squash for the complete flavor profile.