Final answer:
Chicken Tequila Fettuccine typically includes red, green, and yellow bell peppers and red onions. Garlic and jalapeños may also be used to enhance the flavor.
Step-by-step explanation:
The vegetables commonly found in Chicken Tequila Fettuccine include red bell peppers, green bell peppers, yellow bell peppers, and red onions. Some recipes might also include garlic and jalapeños for added flavor. These vegetables are sautéed and then combined with a creamy tequila-lime sauce, chicken strips, and fettuccine pasta to create a flavorful dish.