Apple and Cheddar French Toast Sandwich

Details

Ingredients

• 2 eggs
• 1 ½ tablespoons milk
• 1 teaspoon herbes de Provence, or to taste
• 4 slices day-old artisan-style bread
• 2 tablespoons butter
• 1 cup fresh spinach, or to taste
• ½ Granny Smith apple, cored and thinly sliced
• 4 slices Cheddar cheese, or to taste