Blueberry Croissant French Toast Bake

Bahan-bahan (6 porsi)

• 6 large eggs, beaten
• 1 1/2 cups milk
• 2 tablespoons maple syrup
• 1 tablespoon orange zest
• 1/4 cup Grand Marnier  ((orange liqueur))
• 1 tablespoon vanilla extract
• 1 teaspoon cinnamon
• 1/2 teaspoon salt
• 14 -16 croissants, torn in half
• 1 jar (10 ounce) blueberry jam
• 1 cup ricotta cheese
• 6 tablespoons cold salted butter, thinly sliced
• 1 cup fresh blueberries
• 1 cup maple syrup
• 2 cinnamon sticks
• 2 tablespoons salted butter