4 Mistakes That Could Ruin Your Green Bean Casserole
As far as @bitranch is concerned, "making one" is the first mistake.
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@estherschindler @bitranch
1. Caramelize onions with a little garlic
2. Blanch green beans, like just barely
3. Serve the beans with onions on top, optionally dust with finely grated reggiano or Parmesan
4. Black pepper to taste