01 -
Preheat your oven to 175°C.
02 -
Butterfly the chicken breast and slice to create two thin fillets. Pat each side dry and season with salt and pepper.
03 -
Heat olive oil in a large skillet over medium-high heat. Sear chicken until golden, about 4–5 minutes per side. Lower the heat if oil overheats. Transfer chicken to a plate and let rest 5–10 minutes before dicing into bite-size pieces.
04 -
Bring 4–6 litres of water to a boil and add ½ tablespoon of salt. Cook pasta to al dente, about 8 minutes, adding broccoli florets for the final 4 minutes. Drain thoroughly.
05 -
In a large skillet, melt butter over medium heat. Add minced garlic and sauté for 1 minute. Whisk in flour and cook for 1 minute. Gradually add half and half, bringing to a gentle simmer. Reduce heat and stir for 1–2 minutes. Slowly incorporate Parmesan and Romano cheese, whisking until smooth. Remove from heat.
06 -
Mix cooked pasta and broccoli into the sauce, then fold in diced chicken. Transfer mixture to a greased 23 x 33 cm casserole dish and top with shredded mozzarella.
07 -
Bake uncovered for 10 minutes or until cheese is fully melted. If desired, sprinkle crushed Ritz crackers over the top and bake an additional 5 minutes.
08 -
Let casserole stand for 5–10 minutes before serving, allowing sauce to absorb and temperature to settle.