Roasted Pork Sirloin

Ingredients

• 1 5 lb bone-in pork sirloin roast
• 4-5 cloves garlic
• 2-3 tbsp Dijon mustard
• 2 tsp brown sugar
• 2 tsp dried thyme
• 1 tbsp black peppercorn
• 1 tbsp green peppercorns, drained
• 1 tbsp pink peppercorns
• 1 tsp yellow mustard seeds
• 1 1/2 tsp coarse, kosher salt
• 4 tbsp pork fat, divided
• 2 mediumyellow onions, thinkly sliced
• 2 tbsp flour
• 2 1/2 cups apple cider