Pork Shoulder Roast with Caramelized Vidalia Sweet Onions and Mustard

Ingredients

• 2 lbs. 900 g Quebec pork shoulder roast (or picnic shoulder)
• 2 tbsp. 30 mL olive oil
• 2 tbsp. 30 mL butter
• 2 carrots, diced
• 2 stalks celery, diced
• 1 zucchini, diced
• 2 large Vidalia sweet onion, sliced
• ½ cup 125 mL white wine
• ½ cup 125 mL chicken stock
• 2 tbsp. 30 mL fresh thyme
• 1 tbsp. 15 mL honey
• 2 tbsp. 30 mL Dijon mustard
• 2 tbsp. 30 mL old fashioned (whole grain) mustard
• 1 tsp. 5 mL garlic flowers
• 2 tomatoes, diced
• Salt and fresh ground pepper, to taste