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A measured strawberry cake mix combines with butter and eggs to make dense bars in an eleven-by-seven-inch pan. Fresh strawberries supply the glaze liquid, so add their puree gradually. Cool the bars fully before glazing to avoid a melted, runny surface.
The source formula calls for 15.5 ounces of strawberry cake mix, not an unspecified current box. Check the net weight and measure the required amount if the package differs. This recipe uses its own butter and egg additions rather than the box’s cake instructions. One teaspoon goes into the bar batter and the other into the strawberry puree. Keep them separate while measuring. Adding both to the batter would leave the glaze without its intended portion. Start checking at sixteen minutes in the specified pan. The center should be set and a tester should not carry wet batter. A different pan size changes the thickness and timing, so do not use the same short estimate for a deeper layer. Three strawberries vary in size and juice content. Stir the puree into the powdered sugar a little at a time until spreadable, then use additional powdered sugar if needed as allowed in the formula. Do not automatically pour every drop into a thin glaze.
Ingredient amounts and preparation
Cooking sequence and doneness
Because the glaze contains uncooked fresh berry puree, refrigerate the finished bars in a covered container. Let the glaze set before stacking, or keep the pieces in a single layer. Use clean utensils for the puree after handling raw eggs and batter. Refrigerate perishable leftovers promptly in shallow containers at 40°F or below; do not wait for a large hot batch to cool completely on the counter. University of Illinois Extension’s leftover guidance gives a three-to-four-day refrigerated window and 165°F for reheating foods served hot. Keep cold salads and toppings chilled, and follow shorter product-label limits where applicable. Do not leave the prepared dish out longer than two hours, or one hour above 90°F; return the remaining batch to cold storage. For another complete recipe, see Baked Oreo Cheesecake with Optional Chocolate Ganache or Oatmeal Chocolate Chip Bars with Cinnamon. Each has its own ingredient quantities and cooking sequence; keep those measurements separate when choosing a meal. Recipe guidance is based on the listed ingredient amounts and the method checks above. Timing is an estimate rather than a kitchen-test result; ingredient brands and cookware can change the outcome.
Final cooking checks
Final cooking checks
Final cooking checks
Common Questions About This Recipe
- Which mix quantity is specified?
The source formula calls for 15.5 ounces of strawberry cake mix, not an unspecified current box. Check the net weight and measure the required amount if the package differs.
- How is vanilla divided?
One teaspoon goes into the bar batter and the other into the strawberry puree. Keep them separate while measuring.
- How long do the bars bake?
Start checking at sixteen minutes in the specified pan. The center should be set and a tester should not carry wet batter.
- Why add berry puree slowly?
Three strawberries vary in size and juice content. Stir the puree into the powdered sugar a little at a time until spreadable, then use additional powdered sugar if needed as allowed in the formula.
- How should the glazed bars be stored?
Because the glaze contains uncooked fresh berry puree, refrigerate the finished bars in a covered container. Let the glaze set before stacking, or keep the pieces in a single layer.