Custardy French Toast

Name: Custardy French Toast
Ingredients: 5 large eggs; 2 cups heavy cream; ¼ cup plus 2 Tbsp. orange juice; ¼ cup sugar; 1 Tbsp. vanilla extract; 1 Tbsp. orange curaçao; Pinch of kosher salt; ½ loaf soft French bread, sliced on the bias into six 1½-in.-thick slices; 3 Tbsp. unsalted butter, divided; Powdered sugar, for garnish; Ice cream, strawberries, jam, and/or maple syrup, for serving (optional)