In a medium sized pot add coconut butter, flour, sea salt, garlic powder and nutritional yeast. Stir well.
Cook for a minute stirring constantly.
Whisk in 1 cup coconut milk beverage. Bring to a boil while whisking continuously. Whisk in additional milk alternative as needed to get your desired consistency. Remove from heat.
Pour sauce over polenta. Place chopped peppers on top.
Recipe by Go Dairy Free at https://www.godairyfree.org/recipes/polenta-dairy-free-alfredo-sauce-peppers