Nakkikastike

Name: Nakkikastike
Prep time: 5 min
Cook time: 35 min
Total time: 40 min
Cuisine: Asian, Japanese
Ingredients: 1 teaspoon olive oil; ½ medium onion, (finely diced ); 2 cloves garlic, (minced ); 1 pound hotdog or sausage, (cut into ½-inch slices); 3 tablespoons butter, (unsalted); 2 tablespoons all-purpose flour; 2 cups beef broth, (low sodium ); 1 tablespoon brown mustard; 1 tablespoon tomato paste; ½ teaspoon salt; ½ teaspoon black pepper; ½ teaspoon whole allspice; 1 pinch ground nutmeg