Hey Jeff,
Just wanted to pass this along: Over my 7+ years of eating WFPB I've collected and tried many plant-based burger recipes. Yours remains the best! Very simple, very tasty, and (coming from you) I'm sure very WFPB-compliant. What else matters? Oh yeah--very inexpensive too! All the best to you, and thanks.
PS -- I've tried a number of spice mixes, but my personal favorite is an Italian sausage seasoning mix I found: 1 Tbsp each garlic powder and fresh ground pepper, 3 tsp cayenne (to taste, of course), 5 Tbsp fennel seed (hope they're not too fatty), 2 tsp crushed chili peppers, 5 Tbsp paprika. I add one Tbsp of this mix per one can of kidney beans, etc.