In a skillet, cook and crumble sausage over medium heat until sausage is browned and the internal temperature is 160°F; about 10 minutes. Drain if desired.
Add the pasta, peas, tomatoes and tomato sauce; stir to combine.
Reduce heat and stir occasionally until heated through; 7-10 minutes.
Squeeze lemon; add 1-2 tablespoons juice to skillet.