Slow-Cooker Cinnamon Crunch French Toast

Ingredients

• 6 eggs
• 1 1/2 cup milk
• 2/3 cup brown sugar , divided
• 1 tsp cinnamon
• 1 tsp vanilla
• 1/4 tsp salt
• 1 450-g store-bought egg bread, preferably challah , sliced 1 in. thick

Topping

• 2 cups cornflake cereal
• 1 tbsp butter , melted
• 1 tbsp brown sugar
• 1 tsp ground cinnamon

Optional toppings

• maple syrup , optional
• sliced bananas , optional
• berries , optional