Eggnog French Toast Recipe. Texas Toast dipped in delicious eggnog custard and drizzled with a decadent creamy tres leches carmel sauce for a hint of sweetness. This Eggnog French Toast recipe screams holiday breakfast. It’s the perfect way to start any morning. Grab a cup of your favorite coffee or tea and you’ll have the perfect complimentary 5 star breakfast. Looking to impress your guest, well this will definitely be the perfect way to do it.