Best Steak Au Poivre Soup Recipe - How To Make Steak Au Poivre Soup

Ingredients

• 3 tbsp. whole black peppercorns
• 4 (4-oz.) filet mignons or 2 (8-oz.) sirloin steaks, sliced in half 
• Kosher salt  
• 1/2 c. plus 2 tbsp. extra-virgin olive oil 
• 4 tbsp. (1/2 stick) butter
• 2 thyme sprigs, plus 1 tbsp. chopped leaves
• 2 large shallots, 1 finely chopped, 1 sliced into rings
• 3 cloves garlic, finely chopped
• 1/4 c. all-purpose flour
• 1/4 c. cognac or brandy 
• 5 c. low-sodium beef broth
• 1 1/2 lb. waxy baby potatoes, quartered 
• 1 c. heavy cream
• 2 tbsp. Worcestershire sauce