Heat the pot: In a large Dutch oven or deep skillet, heat olive oil over medium-high. When it shimmers, you’re ready.
Brown the turkey: Add ground turkey, breaking it up with a spoon. Season with a pinch of salt and pepper. Cook until no longer pink and lightly browned, about 5–6 minutes.
Sweat aromatics: Add the onion and cook 3–4 minutes until translucent. Stir in garlic and cook 30 seconds until fragrant (don’t burn it—garlic drama is not the vibe).
Tomato base: Stir in tomato paste and cook 1 minute to caramelize. This step builds that “how is this so good?” depth.
Liquids and seasonings: Pour in crushed tomatoes and 3 1/2 cups chicken broth. Add Italian seasoning, red pepper flakes, 1 teaspoon salt, and 1/2 teaspoon black pepper. Stir well.
Add the pasta: Stir in dry pasta. Bring to a strong simmer, then reduce to medium so it’s bubbling but not chaotic.
Cook it all together: Cover partially and cook 10–12 minutes, stirring every 2–3 minutes to prevent sticking. If it looks dry before the pasta is al dente, add more broth in 1/4-cup splashes.
Creamy finish: When pasta is just shy of done, stir in milk or half-and-half and simmer 1–2 minutes. It should be saucy, not soupy.
Greens and cheese: Fold in spinach (or kale) until wilted, 1 minute. Stir in Parmesan until melted and glossy.
Taste and tweak: Adjust salt, pepper, and heat. Add a squeeze of lemon or zest for brightness if you like.
Serve: Ladle into bowls and top with extra Parmesan and chopped basil or parsley. Accept compliments graciously.