Cook the Pasta: Boil the noodles according to package instructions until al dente. Drain and set aside.
Sauté the Vegetables: Heat olive oil in a pan over medium heat. Add chopped onion, garlic, paprika, and celery. Cook for 3–4 minutes until softened.
Cook the Chicken: Add the chicken mince, oregano, salt, and black pepper. Stir well and cook until browned.
Add Tomato Sauce: Stir in the tomato paste and cherry tomatoes. Cook for another 5 minutes until the sauce thickens slightly.
Make the Cream Sauce: In a separate pan, heat olive oil and whisk in the flour. Slowly pour in the cream, stirring constantly until smooth and slightly thickened.
Combine Everything: In a baking dish, mix the pasta, chicken mixture, and cream sauce. Stir well to combine.
Top with Cheese & Bake: Sprinkle grated cheese over the top. Bake in a preheated oven at 375°F (190°C) for 15–20 minutes until golden and bubbly.
Serve & Enjoy: Let the casserole cool for a few minutes, garnish with fresh parsley, and serve warm.