Just a suggestion.....It would be very easy to create your label in Word and then just print it on the adhesive paper. I see on the internet where you can get the logo and copy it into your document in any size that you want. You just insert it just like any other picture, and then you can easily pick/choose your font size, color, and spacing. I'm sure there a lot of flames to choose from on clipart too.
I'm assuming the sauce has DP in it. I love bbq sauce with DP. My husband was really good friends with the past owner of Country Tavern (a very popular bbq place in Kilgore, Texas), and she told him that they bought their sauce direct from the regular food supplier and then cut it with DP. We do that a lot now
I love your idea for a little customized gift. Lucky recipient!