In the same skillet, heat 1 Tbsp olive oil; add ground turkey. Lightly brown, stirring occasionally, about 6 minutes. Stir in reserved onion & mushroom mixture. Add chicken broth; stir in tomato, basil & rosemary & cook 1 minute longer. Drain off any excess fat, remove mixture from heat & set aside. When mixture has cooled, add cheese, egg, salt & pepper. Fill zucchini rolls with mixture.