🔥 Open-Faced Roast Beef Sandwich with Caramelized Onions & Horseradish Aioli 🥩🥖

This gourmet-style roast beef sandwich is bursting with rich flavors—tender beef, sweet caramelized onions, and a bold horseradish aioli on crispy toasted ciabatta. Perfect for lunch, brunch, or a cozy dinner!


🥪 Ingredients:

For the Sandwich:

2 ciabatta rolls, sliced in half
½ lb roast beef, thinly sliced (medium-rare preferred)
1 tbsp butter, for toasting bread
1 tbsp fresh parsley, chopped (for garnish)

For the Caramelized Onions:

1 large onion, thinly sliced
1 tbsp butter
1 tsp olive oil
½ tsp salt
½ tsp brown sugar
1 tsp balsamic vinegar

For the Horseradish Aioli:

½ cup mayonnaise
1 tbsp prepared horseradish
1 tsp Dijon mustard
1 clove garlic, minced
½ tsp lemon juice
Salt & black pepper, to taste


🔥 Instructions:

1️⃣ Caramelize the Onions:
🔥 Heat butter & olive oil in a pan over medium-low heat.
🔥 Add onions, salt, and brown sugar, stirring occasionally for 20-25 minutes until golden brown.
🔥 Stir in balsamic vinegar and cook for 2 more minutes. Remove from heat.

2️⃣ Make the Horseradish Aioli:
🥄 In a bowl, mix mayo, horseradish, Dijon mustard, garlic, lemon juice, salt & pepper.
🥄 Set aside for flavors to meld.

3️⃣ Toast the Bread:
🥖 Melt butter in a skillet over medium heat.
🥖 Toast ciabatta halves until golden and crisp.

4️⃣ Assemble the Sandwich:
🥩 Spread horseradish aioli on toasted bread.
🥩 Pile on roast beef slices and top with caramelized onions.
🥩 Sprinkle with fresh parsley.

5️⃣ Serve & Enjoy!
🔥 Serve open-faced or with the top slice slightly tilted for presentation.


💡 Pro Tips:

Use fresh bakery ciabatta for the best texture.
For extra heat, add a pinch of crushed red pepper to the aioli.
Pair with a side of fries or a simple green salad for a full meal.

Prep Time: 10 mins | Cook Time: 25 mins | Total: 35 mins
🔥 Calories: ~450 kcal per serving (Serves 2)


Would You Try This? Tag a fellow sandwich lover! 🥪✨

#GourmetSandwich #RoastBeefLover #HomemadeEats #SavoryGoodness #FoodieFavorites

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