Preheat oven to 400° + lightly oil small baking dish

Boil a large pot of salted water, add half the box of pasta + cook 10-12 min or until al dente, then drain + return to pot

Heat 1 tbsp oil in skillet over med-high + pat chicken dry, season with salt/pep; cook chicken 4-6 min each side until fully cooked, no pinkness remains + internal temp is 165°; cut into bite-size pieces

Mix in chicken, ½ cup sauce, ¼ cup ricotta + salt/pep to pasta; transfer to baking dish, sprinkle with ½ cup cheese + bake 12-15 min until hot + bubbly