Final answer:
While the specific chili most popular in Senegal isn't identified in the provided information, it is acknowledged that spicy sauces and various native spices are integral to Central African cuisine, which includes Senegal.
Step-by-step explanation:
The chili that is most popular in Senegal is not specified in the provided information. However, in Central African cuisine, which includes Senegalese cuisine, spicy sauces often accompany dishes, and traditional spice mixes like Berbere and mitmita are popular in other parts of Africa. It's worth noting that among the spices traded historically, which would have been desirable in places like Senegal during the time of da Gama, were pepper and other spices with significant value. In general, African cuisines, including Senegal's, make use of various native spices, with chili peppers being a common ingredient since their introduction from the Americas.