Dry Rubbed Tri-Tip

Name: Dry Rubbed Tri-Tip
Yield: Serves: 4 to 8
Ingredients: 1 tri-tip roast (about 3 lbs or 1350g); ¼ teaspoon cayenne; 1 teaspoon dried rosemary; 1 teaspoon onion powder; 1 teaspoon smoked Maldon salt; 2 tablespoons avocado oil or other high smoke point oil; 2 tablespoons avocado oil or other high smoke point oil; 1 tablespoon mayonnaise; 2 teaspoons salt; ½ teaspoon smoked paprika; 1 teaspoon paprika; 2 teaspoons garlic powder; 2 teaspoons pepper