Seriously Good Citrus Marinated Grilled Pork Tenderloin

Ingredients

• 1/4 cup olive oil
• Zest of 1 orange
• 2 Tbs. fresh lemon juice
• 1 Tbs. salt
• 1/2 cup fresh orange juice
• 1/4 tsp. freshly ground black pepper
• 1 Tbs. minced garlic
• 1/4 tsp. red pepper flakes
• 1 1/2 tsp. chopped fresh rosemary
• 1 Tbs. fennel seeds
• 2 pork tenderloins
• 1 Tbs. Dijon mustard
• 1 orange