Chickpea Flour Gravy [Vegan, Gluten-Free]

olive oil

chickpea flour (aka garbanzo bean flour) ((start with 4 tablespoons and keep 2 additional tablespoons on reserve))

gluten-free, low-sodium vegetable broth ((start with 2 3/4 cups and keep 1/4 cup on reserve)

gluten-free, low-sodium tamari

onion powder

garlic powder

crushed, dried rosemary ((I recommend using whole dried rosemary and crushing yourself either with a mortal and pestle or by breaking up with your fingers as the flavor is better this way))

Freshly ground black pepper

Kosher salt