Preheat oven to 350°F. In medium bowl, stir together ricotta, lemon juice, mustard, thyme, lemon zest, rosemary, black pepper and cayenne. Transfer to baking dish(es). Transfer to oven and bake 15 to 20 minutes or until edges are bubbling.
To serve, garnish with olive oil, black pepper and/or sea salt, if desired. Serve immediately with toasted bread, crackers and/or vegetables.