In a shallow baking dish, whisk eggs, milk, pumpkin puree, vanilla, pumpkin pie spice, and a pinch of salt. Place bread slices into pumpkin mixture and let soak about 30 seconds per side.
In a large nonstick skillet over medium-low heat, melt 1 tablespoon butter. Cook 2 slices bread at a time until golden, 3 to 4 minutes per side. Repeat to cook all slices.
