Whisk all batter ingredients together in a bowl until there are no lumps. (Prepare the batter just before using. However, it's okay if it sits 5-10 minutes.
Heat 1-1/2 to 2 oil in 375ºF in a saucepan.
Combine panko, Parmesan, salt and pepper in a large resealable plastic bag.
Coat 1/4 in the prepare batter.
Transfer to the bag, seal and shake until well coated.
Repeat with remaining zucchini.
Fry zucchini in batches for 1-2 minutes or until golden.
Drain on paper towel-lined plate; season with salt and garnish with Parmesan, parsley and lemon.
TOMATO CREAM SAUCE:.
Simmer the marinara and cream in a small saucepan over medium-low heat 4-5 minutes or until warmed through; off the heat stir in parsley or basil. (Sauce and cream may be warmed in a microwave at high power for 1 minute. Stir in parsley or basil just before serving.).