Juicy Rosemary Balsamic Glazed Steak Rolls Recipe for Tonight - Beard and Bonnet

Ingredients

• 8 pieces sirloin steak, thinly sliced (about 1/8 inch thick / 0.3 centimeters)
• Extra-virgin olive oil
• Sea salt
• Freshly ground black pepper
• 2 sprigs fresh rosemary, chopped
• 1 small yellow onion, thinly sliced
• 1 small red bell pepper, thinly sliced
• 1 small green bell pepper, thinly sliced
• 1 small zucchini, thinly sliced
• 1 handful fresh mushrooms, thinly sliced
• ¼ cup (60 milliliters) dark balsamic vinegar
• 2 tablespoons (30 milliliters) red wine
• 1 tablespoon (15 grams) dark brown sugar
• 1 clove garlic, minced
• ¼ teaspoon freshly ground black pepper
• ¼ teaspoon sea salt
• 1 teaspoon cornstarch dissolved in ¼ cup (60 milliliters) beef or chicken broth