Your standard French toast just calls for eggs and milk, maybe scented with some vanilla extract. But this version gets its luscious texture and tangy flavor from a little buttermilk in the soaking liquid.
Buttermilk French Toast
Ingredients
Makes 4 servings
Accompaniment:
Preparation
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Step 1
Preheat oven to 200°F.
Step 2
Whisk together buttermilk, eggs, sugar, and salt in a bowl. Pour into a large 4-sided sheet pan, then add bread in 1 layer and soak, turning occasionally, until bread has absorbed all liquid but is not falling apart, about 20 minutes.
Step 3
Heat 1½ tablespoon butter in a 12-inch nonstick skillet over medium-high heat until foam subsides. Transfer 4 bread slices with a slotted spatula to skillet and cook, turning once, until slightly puffed and golden brown, about 3 minutes total. Transfer to a large shallow baking pan and keep warm in oven. Cook remaining bread in 2 batches, adding 1½ tablespoon butter between batches.
https://www.epicurious.com/recipes/food/views/buttermilk-french-toast-358115