Bakso Swedia Vegetarian

Bahan-bahan (6 porsi)

• 2 cups cooked wild rice
• 1 heaping cup finely chopped mushrooms
• 1/2 cup plain Greek yogurt
• 2 eggs
• 3/4 cup breadcrumbs
• 1 teaspoon smoked paprika
• 1 teaspoon garlic powder
• 1/2 teaspoon salt
• olive oil (optional)
• 3 tablespoons salted butter
• 1/2 teaspoon onion powder and/or garlic powder
• 3 tablespoons flour
• 1 1/2 cups vegetable broth
• 1/2 cup sour cream
• salt and black pepper to taste