Stuffed Turkey Breast

Name: Stuffed Turkey Breast
Ingredients: 4 oz. bacon, cut into 1/2 pieces; 8 oz. mixed mushrooms (such as oyster, cremini, and/or shiitake), finely chopped; 1 tbsp. chopped fresh thyme leaves; 4 cloves garlic, chopped, divided; 1 tbsp. kosher salt, divided; 1/2 c. chopped fresh parsley, plus more for serving; Fresh ground black pepper; 1 1/2 oz. cream cheese, softened; 1/4 oz. panko bread crumbs; 4 oz. smoked gouda cheese, shredded (about 1 1/2 c.); 1 (2-lb.) skinless, boneless turkey breast; 1 tsp. dried oregano; 2 tbsp. extra-virgin olive oil, divided; 1 1/2 c. low-sodium chicken stock; 1 1/2 tsp. cornstarch; 1/2 c. heavy cream; Juice of 1 lemon