Turkey Stew with Peppers and Mushrooms

Name: Turkey Stew with Peppers and Mushrooms
Cuisine: American
Ingredients: 4 tablespoons extra virgin olive oil; 1 large onion, sliced, abut 2 cups; 2-4 bell peppers of various colors, sliced thinly; 2 large cloves garlic, minced; A few dashes cayenne pepper; 1 tablespoon paprika; 1 1/2 to 2 pounds skinless, boneless turkey thigh or breast, cut into large chunks; 4 ounces mushrooms, sliced; 1 14-ounce can of plum tomatoes with juice; 1 tablespoon Worcestershire sauce; 1 tablespoon lemon juice; 1 teaspoon fresh rosemary, minced; Freshly ground black pepper to taste; Salt; 2 teaspoons cornstarch; 3/4 cup plain (full fat is best, anything less will likely curdle) yogurt