Creamy Chicken and Cheese Pasta Casserole Recipe

Smooth, creamy Velveeta melts into rotini and combines with tender chicken, diced tomatoes with green chilies, and mixed vegetables to create a comforting and easy Velveeta Chicken Casserole. With just a handful of ingredients and minimal hands-on time, this casserole delivers big, satisfying flavor the whole family will enjoy.

Smooth and creamy Velveeta casserole with chicken with cheese melted around rotini pasta, Italian veggies and diced rotel tomatoes

If you like one-dish family meals, try similar comfort dishes such as Hamburger and Potato Casserole or a simple Ranch Pasta Salad for more weeknight options.

Chicken Casserole with Velveeta — Recipe Overview

This casserole blends a mild Mexican touch from the diced tomatoes and green chilies with classic pasta-and-veggie textures. Velveeta acts as the creamy binder, coating pasta and chicken for a warm, cozy dish. The result is a casserole that tastes rich without being complicated to prepare.

Plate full of cheesy Velveeta rotini pasta with tender pieces of chicken and veggies in a Cheesy Chicken Pasta Casserole with a fork and 9x13 dish full in the background.

Rotini is ideal because its spirals trap melted cheese and sauce, but elbows, penne, or even spaghetti work well if that’s what you have on hand. Pre-cooking a batch of chicken breasts to keep in the freezer makes assembly quick on busy nights.

Why This Recipe Works

Only a few straightforward ingredients but full, family-friendly flavor.
Minimal hands-on time — about ten minutes — and a quick bake in the oven.
Easy to prepare ahead: assemble and refrigerate, then bake within a couple of days for a freshly baked meal.
Kids love the mac-and-cheese style texture and cheesy taste.
Stirring the baked casserole well before serving distributes the melted cheese and juices for maximum creaminess.

9 x 13 baking dish full of warm Velveeta chicken casserole with cheese, cubed chicken and veggies on a red and white napkin.

Ingredients Needed

Rotini pasta — 4 cups cooked (about 12–14 ounces dry); other short pasta shapes or spaghetti may be substituted.
Velveeta cheese — 12 ounces, cubed for even melting and creaminess.
Rotel-style diced tomatoes and green chilies — one 10-ounce can, undrained (the liquid helps create the sauce).
Frozen Italian-style vegetables — 12 ounces; add directly from the bag, no thawing needed.
Cooked chicken — about 3 cups of cubed, cooked breast meat (roughly 1 to 1.5 pounds).

Ingredients for Velveeta chicken casserole are rotini, cubes of chicken, rotel, Velveeta and Italian style frozen veggies on a wooden counter top

Step-by-Step Instructions

1. Preheat the oven to 350°F (175°C). Lightly spray a 9×13-inch baking dish with nonstick spray.

2. Cook the pasta to al dente according to package directions, drain, and place in a large mixing bowl.

3. While the pasta cooks, cube the Velveeta into bite-size pieces so it melts evenly.

A board scraper showing how to cut up chunks of Velveeta cheese into cubes on a cutting board.

4. Add the cubed chicken, the entire can of diced tomatoes and green chilies (including the juices), and the frozen Italian vegetables to the pasta. Add the Velveeta cubes last.

Can of rotel diced tomatoes and green chilies poured on cubes of chicken and cooked rotini

Bag of frozen Italian style vegetables poured on top of pasta, cubes of chicken and can of rotel in a white mixing bowl

5. Stir gently until the Velveeta pieces are evenly distributed among the other ingredients. Separate any cheese clumps so it melts uniformly during baking.

Cubes of Velveeta poured into a white mixing bowl with frozen mixed vegetables, cooked pasta, diced tomatoes and chicken

Large spoon mixing together chicken, velveeta cheese, vegetables and rotel to make a Velveeta chicken casserole.

6. Transfer the mixture to the prepared baking dish, cover tightly with foil, and bake for about 30 minutes, until the cheese is melted and the vegetables are tender.

Baked chicken and Velveeta cheese casserole with Rotel and veggies ready to stir and serve.

7. Remove from the oven and let rest 5 to 10 minutes. Stir well before serving, scooping from the bottom so the melted cheese and juices mix evenly. Serve warm.

Recipe Tips & Tricks

Substitute a jarred salsa for the diced tomatoes and chilies if you prefer a smoother sauce.
Do not drain the tomatoes and chilies; their liquid helps the Velveeta melt into a creamy sauce.
Four cups of cooked pasta is roughly 3/4 pound (12 ounces) dry rotini before cooking.
One large cooked chicken breast usually yields about 2 cups of cubed chicken.
For extra cheesiness, add a few additional ounces of Velveeta or a sprinkle of shredded cheddar on top before baking.

Notes

Make this ahead: assemble the casserole, cover, and refrigerate for up to 48 hours; bake when ready.
If you’re watching sodium, consider using a lower-sodium canned tomato product or rinse briefly (but then add a little broth to compensate for lost liquid).
Leftovers store well in the refrigerator for 3–4 days and reheat in a covered dish at 350°F until hot, or in the microwave in single portions.

This Velveeta Chicken Casserole is an easy, crowd-pleasing meal that pulls together quickly and bakes into a creamy, flavorful main dish. It’s a great option for busy weeknights, potlucks, or anytime you want a hearty, cheesy pasta bake with minimal fuss.