The 3-Ingredient Veggie Sandwich With No Meat And Tons Of Flavor - Tasting Table
Briefly

The combination of a sharp onion flavor with creamy butter creates a delightful contrast, making it a favored classic. Ingredient choice is paramount.
Chef Jacques Pépin's variation swaps out the onion for radishes and uses mayonnaise instead of butter, showcasing the versatility of the sandwich.
Read at Tasting Table
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