1Spray 3- to 4-quart slow cooker with cooking spray. In 12-inch nonstick skillet, melt 2 tablespoons of the butter over medium heat. Add shallots and garlic; cook 2 to 3 minutes, stirring frequently, until shallots are tender. Add rice; cook 2 to 3 minutes, stirring frequently, until edges of kernels are translucent. Stir in wine. Cook about 3 minutes longer, stirring constantly, until wine is absorbed. Pour rice mixture into slow cooker.
2In 8-cup microwavable measuring cup, microwave broth on High 2 minutes or until very hot. Pour into slow cooker. Stir in 1 teaspoon thyme, the salt and pepper.
3Cover; cook on High heat setting 2 hours. Stir in cheese, remaining 2 tablespoons butter, the lemon peel and lemon juice. Garnish with additional thyme, lemon peel and ground pepper. Serve immediately.