adrianascaravan.com for chiles and spices
asianfoodgrocer.com for Asian ingredients
bobsredmill.com for flours and grains, especially great for alternative flours such as gluten-free baking mix, barley flour, and buckwheat flour
dartagnan.com for duck bacon and confit
flowerpower.net for sassafras extract
kalustyans.com for spices, grains, and sauces, especially anything Indian
penzeys.com for spices and chiles
tienda.com for Spanish ingredients and tools