Classic french toast

Ingredients

• 6 large eggs
• 1 -1/2 cups heavy cream, half-and-half, or whole-milk
• 2 tablespoons pure vanilla extract
• 1/2 teaspoon ground cinnamon
• Pinch of ground nutmeg
• Pinch of salt
• 6 slices (1-inch-thick) bread, preferably day old
• 4 tablespoons unsalted butter
• 4 tablespoons vegetable oil
• Pure maple syrup, for serving (optional)