Homemade Beer Battered Cod

Name: Homemade Beer Battered Cod
Ingredients: 1 cup All-Purpose Flour; 1/4 cup Corn Starch; 1 1/2 teaspoon Baking Powder; 1 cup Beer; 1 teaspoon Cayenne Pepper; 1/2 teaspoon Ground White Pepper; 1 teaspoon Salt; 1 teaspoon Freshly Ground Black Pepper; 3/4 cup All-Purpose Flour; 1/2 teaspoon Ground Black Pepper; 1/4 teaspoon Ground White Pepper; 1 pinch Cayenne Pepper; 4 Frozen Cod Fillet; as needed Cooking Oil; 1 pound French Fries; 1 1/2 cup Frozen Green Peas; 2 ounce Butter; 1 Lemon; to taste Tartar Sauce