Stuffed Pork Tenderloin w/ Hasselback Zucchini Powell's Supermarkets

Ingredients

• 4 Tbsp olive oil, divided
• 2 slices bacon, chopped
• 6 oz brown mushrooms, thinly sliced
• 1/3 cup onion, chopped, (from 1/2 small onion)
• 1 1/2 tsp sea salt, divided
• 1/2 tsp black pepper, divided
• 1 garlic clove, minced
• 1/4 cup fresh parsley, chopped, plus more to garnish
• 1 1/2 lb pork tenderloin, silver skin removed
• 1 tablespoon extra-virgin olive oil
• 1 teaspoon finely chopped fresh oregano or 1/2 teaspoon dried
• ¼ teaspoon garlic powder
• ¼ teaspoon salt
• ¼ teaspoon ground pepper
• 4 small zucchini (about 1 pound total)
• ⅓ cup shaved Parmesan cheese, large pieces broken in half