1. Heat olive oil in a skillet and sauté the chicken until browned. Remove and set aside.
2. In the same skillet, cook onions and garlic until softened. Stir in paprika and flour, cooking for 1 minute.
3. Gradually add chicken broth while stirring to form a smooth sauce. Bring to a simmer.
4. Return the chicken to the skillet, reduce heat, and stir in heavy cream. Simmer until the chicken is fully cooked.
5. Mix in sour cream, adjust seasoning with salt and pepper, and spoon over cooked pasta. Garnish with parsley and serve.