NOT KNOWN DETAILS ABOUT CHILI POWDER & SWEET PAPRIKA POWDER

I have been trying to make an authentic Szechuan chili oil but have a tough time obtaining out just what chilis are utilised. I just watched a YouTube that suggests I take advantage of Gochugaru. Most recipes say use chili flakes or chilies without remaining unique.How to deal with: Check out the expiry day on the packaging if you obtain paprika. W