Instructions: Preheat oven to 350 degrees. Slice steak horizontally into six 1/8-inch-thick slices. Place slices of steak between two pieces of plastic wrap, and pound to an even thickness; set aside.

Make the filling: In a large skillet, heat 1 tablespoon butter and 1 tablespoon oil over medium-high heat. Add chopped onions, and cook until translucent. Add mushrooms; season with salt and pepper. Cook until the mushrooms have released all of their liquid and it has evaporated. Stir in parsley. Transfer to a small bowl; set aside.

Place one piece of steak on work surface. Spoon one-sixth of the filling onto the center of the steak. Sprinkle with one-sixth of the breadcrumbs. Roll up steak to enclose filling. Tie each end with a piece of kitchen twine. Repeat with remaining steak, filling.

In the same large skillet, heat 2 tablespoons olive oil and 2 tablespoons butter. Add roll-ups, and cook until browned on all sides, about 4 minutes. Transfer roll-ups to a baking dish just large enough to hold them in a single layer.

In a small saucepan, heat remaining tablespoon butter and remaining 2 tablespoons olive oil over medium-high heat. Add garlic and sliced onions. Cook until onions are translucent, about 2 minutes. Stir in tomato sauce and wine. Cook until heated through. Pour over roll-ups and bake, covered, until tender, about 1 1/4 hours. Remove twine, and serve with grated beets and buckwheat groats.

To make the Grated Beets: Preheat oven to 375 degrees. Place beets on a large piece of parchment-lined aluminum foil. Drizzle with oil. Season with salt and pepper. Wrap beets, enclosing them tightly. Place on a baking sheet, and roast until fork-tender, about 1 hour. Remove from oven; set aside to cool.

Peel beets when cool enough to handle. Using the largest holes of a box grater, coarsely grate beets into a large bowl. Drizzle with vinegar, and sprinkle with sugar. Toss to combine. Fold in sour cream, and serve.

To make the Buckwheat Groats: In a large straight-sided skillet with a lid, melt butter over medium-high heat. Add onion and garlic. Cook, stirring occasionally, until translucent, about 3 minutes.

Meanwhile, lightly beat egg in a medium bowl. Add groats, and stir until well coated. Add groats to skillet, and increase the heat to high. Cook until the egg has dried on the groats and the kernels are separated, about 2 minutes. Add stock, and season with salt and pepper. Reduce the heat to low, and simmer, covered, until tender and all of the liquid has absorbed, 7 to 10 minutes.

This recipe yields 6 servings.

If you would like to email yourself the recipe for later use, or share the recipe with your friends or family, enter the email addresses below and this recipe will be emailed to you and others as well.