In a small bowl whisk together the mayonnaise, olive oil, lemon juice, garlic minced or roasted, salt and pepper. Cover and refrigerate until ready to use.
Slice onion into thin strips. Drizzle a skillet with a little olive oil and fry onions until they are lightly browned and caramelized.
Split ciabatta rolls in 1/2 and butter or drizzle with with olive oil. Place rolls cut side down onto hot griddle or skillet and toast buns until golden brown and slightly crispy.
Spread a good Tbsp. of garlic aiola on each 1/2 of ciabatta roll. Pile 1/2 cup roast beef onto bottom 1/2 of each roll and top with swiss cheese.
Place all 4 bottoms piled with meat and cheese onto a baking sheet and bake in oven until beef is hot and cheese is melted.
Remove from oven and top with carmelized onions and sprinkle with chopped fresh chives.
Notes
To roast garlic, simply slice off the top of a whole garlic bulb, drizzle it with olive oil, and wrap it in foil. Roast it in the oven at 400°F (200°C) for about 30-40 minutes until the cloves are soft and golden. Once cooled, squeeze the roasted garlic out of the cloves and mash it into a smooth paste. Use this in place of minced garlic in the aioli for a slightly sweeter and more complex flavor. Of course, if you’re in a hurry, minced garlic works perfectly too!When it comes to the nutrition information provided for recipes, it’s important to keep in mind that it’s just an estimate. The actual nutritional values can vary based on the specific ingredients and brands you use. Be mindful that any nutritional information provided is intended as a general guideline rather than exact values.