Slow-Roasted Filet of Beef and Basil Parmesan Mayonnaise

Name: Slow-Roasted Filet of Beef and Basil Parmesan Mayonnaise
Prep time: 2 h 10 min
Cook time: 2 h 10 min
Total time: 2 h 10 min
Yield: 8
Cuisine: Global
Ingredients: 2 kilograms whole filet of beef tenderloin, trimmed and tied; 1 Tbsp Dijon mustard; 2 extra larges egg yolks, at room temperature; 118 milliliters chopped fresh basil leaves, lightly packed; 1 teaspoons minced garlic; 2 teaspoons coarsely ground black pepper; 4 teaspoons kosher salt; 8 servings Kosher salt and freshly ground black pepper; 3 Tbsps freshly squeezed lemon juice; 118 milliliters good olive oil, at room temperature; 3 Tbsps good olive oil; 118 milliliters freshly grated Parmesan cheese; 10 branches fresh tarragon; 237 milliliters vegetable oil, at room temperature

Slow-Roasted Filet of Beef and Basil Parmesan Mayonnaise might be just the main course you are searching for. This recipe makes 8 servings with 935 calories, 50g of protein, and 80g of fat each. This recipe covers 28% of your daily requirements of vitamins and minerals. If you have filet of beef tenderloin, basil leaves, kosher salt and pepper, and a few other ingredients on hand, you can make it. To use up the vegetable oil you could follow this main course with the Blueberry Coffee Cake #SundaySupper as a dessert. From preparation to the plate, this recipe takes around 2 hours and 10 minutes.

Instructions

Watch how to make this recipe.

Preheat the oven to 275 degrees. Use an oven thermometer to be sure your oven temperature is accurate.

Equipment you will use

Kitchen Thermometer

Oven

Place the filet on a sheet pan and pat it dry (all over) with paper towels.

Equipment you will use

Paper Towels

Frying Pan

Brush the filet all over with the oil, reserving about half a tablespoon.

Ingredients you will need

Cooking Oil

Sprinkle it all over with the salt and pepper (it will seem like a lot but believe me, it makes a difference).

Ingredients you will need

Salt And Pepper

Place the tarragon branches around the beef, tying them in 4 or 5 places with kitchen twine to keep them in place, and then brush the tarragon with the reserved oil.

Ingredients you will need

Tarragon

Beef

Cooking Oil

Equipment you will use

Kitchen Twine

Roast the filet of beef for 11/4to 11/2hours, until the temperature registers 125 degrees in the center for rare and 135 degrees for medium-rare. Cover the filet with aluminum foil and allow to rest for 20 minutes.Slice thickly and serve warm or at room temperature with Basil Parmesan Mayonnaise.

Ingredients you will need

Beef Tenderloin

Mayonnaise

Parmesan

Basil

Equipment you will use

Aluminum Foil

Place the egg yolks, lemon juice, Parmesan, mustard, basil, garlic, 1 tablespoon salt, and 1 teaspoon pepper in a food processor fitted with the steel blade. Process for 20 seconds, until smooth.

Ingredients you will need

Lemon Juice

Egg Yolk

Parmesan

Mustard

Garlic

Pepper

Basil

Salt

Equipment you will use

Food Processor

Combine the vegetable oil and olive oil in a 2-cup liquid measuring cup. With the processor running, slowly pour the oil mixture through the feed tube to make a thick emulsion. Taste for seasonings--the mayonnaise is a sauce so it should be highly seasoned. Store in the refrigerator until ready to use; it will keep for up to a week.

Ingredients you will need

Cooking Oil

Mayonnaise

Seasoning