Italian-Style Porchetta - Fresh-Pressed Olive Oil

Ingredients

• 4 cloves garlic, peeled and coarsely chopped
• 1/4 cup packed fresh sage leaves
• 1/4 cup packed fresh rosemary leaves
• 2 teaspoons coarse salt (kosher or sea)
• 1 1/2 tablespoons cracked black peppercorns
• 1 teaspoon fennel seeds
• 2 strips (each 1/2 by 2 inches) orange zest
• 1 tablespoon fresh lemon juice
• 1/3 cup extra virgin olive oil, or more as needed
• 1 pork loin (3 pounds)
• 4 slices pancetta, unrolled into long strips