Adjust rack to top position and preheat oven to 450 degrees. Wash and dry all produce. Trim and halve Brussels sprouts. Halve, peel, and thinly slice shallot. Slice potatoes into 1/4-inchthick rounds. Halve tomatoes.

Toss Brussels sprouts on one side of a baking sheet with a large drizzle of olive oil and a pinch of salt and pepper. Arrange cut sides down.

Toss potatoes on empty side of same sheet with a large drizzle of olive oil, half the Tuscan Heat Spice (all for 4 servings), salt, and pepper. Arrange rounds slightly overlapping on sheet, then evenly sprinkle with Parmesan. Roast until veggies are browned and tender, 20-25 minutes.

Meanwhile, pat beef dry with paper towels; season all over with salt and pepper. Heat a large drizzle of olive oil in a large pan over mediumhigh heat. Add beef and cook to desired doneness, 4-7 minutes per side. Transfer to a plate to rest.

Heat another drizzle of olive oil in same pan over medium-high heat. Add shallot and a pinch of salt and pepper. Cook until fragrant, 1-2 minutes. Add tomatoes and cook, stirring, until slightly softened, 1-2 minutes. Stir in vinegar, stock concentrate, and 1/4 cup water (1/3 cup water for 4 servings). Simmer until slightly thickened and saucy, 3-4 minutes. Turn off heat. Stir in 1 TBSP butter and any resting juices from beef.

Divide Brussels sprouts, potatoes, and beef between plates. Top beef with pan sauce and serve.