Sweet strawberries and tart rhubarb are great flavor partners, and a sure sign of spring.
Combine half & half, eggs, 1 tablespoon sugar, vanilla and salt in bowl; mix well. Set aside.
Spread 10 slices bread with marmalade; top with remaining bread slices. Dip each sandwich into egg mixture, allowing mixture to soak into bread.
Melt 2 tablespoons butter in 12-inch nonstick skillet over medium heat. Place 5 dipped sandwiches into skillet. Cook, turning once, 6-8 minutes or until golden brown. Remove to platter; keep warm. Melt remaining butter in skillet; cook remaining dipped sandwiches. Serve with sauce.