Christians are commanded to be the salt of the earth. Salt is powerful, distinct, defining, and impossible not to taste. The same should be said of our faith. When Christians are present the flavor should be undeniable. It should be the controlling agent. It should dictate the taste of anything the world is dishing out.
Christians also have pepper which although isn't as strong but can't be ignored. Pepper is culture, ethnicity, personality, occupation, experience, and many more things. Pepper is the supporting element that reminds you how powerful the salt is. It shows you how even with other spices present salt can't be destroyed or overshadowed.
Christians be encouraged that God wants to use our "dash of spice" to allow others to taste and see that He is good.