Polish Stir-Fry - cooking recipe

Ingredients

1 1/2 lbs kielbasa, sliced on an angle
1 tablespoon vegetable oil
1 tablespoon butter
1 large red onion, quartered and sliced
1 1/2 lbs beet leaves, trimmed and coarsely chopped
1 lb sauerkraut, drained and reserved
1 teaspoon ground mustard or 2 tablespoons spicy brown mustard
1 teaspoon sweet paprika
1 tablespoon soy sauce
salt & freshly ground black pepper

Preparation

Heat a large nonstick skillet over medium high heat and brown kielbasa.
Remove from pan. Cover kielbasa with foil to keep warm.
Drain fat and add 1 tablespoon vegetable oil and 1 tablespoon butter.
Add onion to the pan and saute for a few minutes to soften.
Add chopped greens in batches as it wilts into the pan.
When greens are wilted, add sauerkraut.
Mix together reserved sauerkraut \"juice\", mustard, paprika, soy sauce, salt and pepper. Add to pan.
Return kielbasa to pan. Toss to combine and transfer to a serving platter.