Create a high-contrast black and white retro vector illustration of a beautiful serene 1950s woman with elegant pinned-up hair adorned with a floral accessory, wearing a polka dot dress and white apron, leaning over a mixing bowl whisking ingredients with a content mischievous smile. Scatter four-pointed sparkle stars around. Add large decorative script "Baking" arched at the top and bold block uppercase "BECAUSE MURDER IS WRONG" below. Style: vintage baking advertisement aesthetic, rich crosshatch detail, strong black silhouette areas, white background.