French Dip sliders

The best possible version of French Dip sandwiches -- made into oven-baked sliders! These French Dip sliders take only TEN MINUTES PREP! via chelseasmessyapron.com

Ingredients

• 2 tablespoons unsalted butter, softened
• 1 package Hawaiian sweet rolls (12 rolls total)
• 1 pound deli roast beef*
• 12 slices Sargento provolone cheese, separated, 1 package
• 1 and 1/2 cups French fried onions, optional

Seasoning

• 8 tablespoons unsalted butter
• 1 packet Au Jus seasoning mix, separated
• 1 teaspoon Worcestershire sauce
• 1 Tablespoon toasted sesame seeds
• 3/4 teaspoon dried minced garlic
• 1/2 teaspoon onion powder
• 1/2 teaspoon seasoned salt, optional**

Instructions

1. Preheat the oven to 350 degrees F.
2. Butter the bottom of a 9 x 13 baking dish with the softened unsalted butter.
3. Without separating the rolls, slice the package of rolls in half (see video).