Pork Shoulder Roast with Vidalia Sweet Onions and Mustard

Ingredients

• 2 lb 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
• 1/2 cup 125 ml white wine
• 1/2 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