This open faced roast beef sandwich is one of those fast meals with minimal effort. It’s bold, cheesy and loaded with flavor but comes together in minutes under the broiler.

Open faced roast beef sandwich with ranch and honey mustard.

Perfect for an easy lunch, quick dinner or a hearty snack when you want something warm and satisfying without a lot of work. It’s one of our favorites when we smoke a rump roast for deli roast beef.

Why You’ll Love This Recipe

Quick broiler recipe that’s ready in under 10 minutes.
Bold, savory flavors with deli roast beef, smoked gouda, and sweet onion.
Easy open faced sandwich that works for lunch, dinner or game day.

Ingredients for Open Faced Roast Beef Sandwich

Whole wheat sandwich bread
Thin sliced deli roast beef
Smoked gouda
Vidalia onion
Ranch dressing
Honey mustard sauce
Fresh cilantro, optional for garnish

How to Make an Open Faced Roast Beef Sandwich

Roast beef chopped with cheese and onions on a cutting board.

6 slices of bread on a parchment lined baking sheet.

Preheat your broiler and line a baking sheet with parchment paper.
Chop the roast beef and smoked gouda into small pieces. Dice the Vidalia onion.
Mix the roast beef, cheese and onion until combined.
Arrange the bread slices on the prepared baking sheet.
Spoon the roast beef mixture evenly over each slice of bread.

Roast beef, cheese and onion on a toasted slice of bread.

Open faced toasted sandwich with ranch and honey mustard.

Place under the broiler for 3 to 5 minutes, watching closely, until the cheese is melted and bubbly.
Remove from the oven and drizzle with ranch dressing and honey mustard sauce.
Garnish with fresh cilantro if desired and serve immediately.

What to Serve With It

These open faced roast beef sandwiches pair great with french fries, coleslaw or potato salad. They’re also perfect on their own when you need something quick and filling.

If you’re looking for an easy, no-fuss dinner that delivers big flavor, this open faced roast beef sandwich is a must-try. Fire up the broiler, keep it simple and enjoy every melty bite.

Have you tried this Open Faced Roast Beef Sandwich recipe? Leave a comment and star rating to let us know how it turned out.

Open faced sandwich with roast beef, onion, melted cheese, ranch, honey mustard, cilantro.

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Open Faced Roast Beef Sandwich

This open faced roast beef sandwich is broiled until melty with smoked gouda and sweet onion then finished with ranch and honey mustard for an easy hot sandwich.

Prep Time10

Cook Time5

Course: Sandwiches

Cuisine: American

Keyword: grilled roast beef, toasted sandwiches

Servings:

Calories: 201kcal

Ingredients

½ pound thin sliced roast beef
4 ounces smoked gouda cheese thin sliced
1 Vidalia onion diced
6 slices whole wheat sandwich bread

for serving

ranch dressing
honey mustard sauce
fresh cilantro optional for garnish

Instructions

Preheat broiler and line a baking sheet with parchment paper.
Chop the roast beef and smoked gouda into small pieces. Dice the Vidalia onion.
Mix the roast beef, cheese and onion until combined.
Arrange the bread slices on the prepared baking sheet.
Spoon the roast beef mixture evenly over each slice of bread.
Place under the broiler for 3 to 5 minutes, watching closely, until the cheese is melted and bubbly.
Remove from the oven and drizzle with ranch dressing and honey mustard sauce.
Garnish with fresh cilantro if desired and serve immediately.