Cook the pasta according to package directions; drain and set aside.
Preparing the Sauce
In a saucepan over medium heat, whisk the coconut milk, mayonnaise, flour, onion powder, garlic powder, thyme, salt and pepper until well combined. Bring to a gentle simmer, stirring frequently.
Combining Everything Together and Serving
Once simmering, stir in the tuna and cheese until the cheese has melted and is well incorporated. Remove from heat and stir in the pasta. Mix well to coat.
Enjoy your homemade Tuna Helper without milk with a side dish of your choice!