1-First Step: Make the gelatin base In a large bowl, dissolve the 6-ounce package of strawberry gelatin in 2 cups of boiling water. Whisk well until the powder disappears completely. Then stir in 1 cup of ice cold water. This cools the mixture fast and helps it start setting at the right speed. If you are using a different flavor, such as raspberry or cranberry gelatin, the method stays the same.

2-Second Step: Let the mixture cool briefly Place the bowl in the refrigerator for about 15 minutes. You do not want it fully set yet, just cool enough so the sour cream mixture blends in smoothly. This short chill helps keep the texture silky and prevents lumps. Busy cooks will like this part because it gives you time to clean up or get the mold ready.

3-Third Step: Mix the creamy cranberry layer In a medium bowl, whisk together the 15-ounce can of jellied cranberry sauce and 1 cup of sour cream until smooth. The cranberry sauce adds bright flavor, while the sour cream gives the filling its rich, creamy feel. If you want a lighter version, plain Greek yogurt can work too, though the taste will be a little tangier.

4-Fourth Step: Combine the two mixtures Stir the cranberry and sour cream mixture into the cooled gelatin. Mix gently but fully so the color and texture are even throughout. If the gelatin is still too warm, give it a few more minutes in the fridge before adding the creamy layer. This helps the mold set properly instead of turning watery or soft.

5-Fifth Step: Pour into the mold Lightly coat a nonstick gelatin mold with cooking spray. Then transfer the mixture into the mold. If you do not have a gelatin mold, you can use a bundt pan with nonstick spray or even a 9×13 pan and serve it directly from the dish. The mold just gives a prettier shape, but the flavor stays the same.

6-Sixth Step: Chill until firm Refrigerate the strawberry jello mold for at least 6 hours, though overnight is even better. The full chill time listed for this recipe is about 8 hours, which gives the best texture and cleanest slices. Try not to rush this step. If the mold is not fully firm, it may slump when unmolded.

7-Final Step: Unmold, slice, and serve To serve, loosen the edges of the gelatin with clean fingers or the tip of a small knife. Briefly dip the outside of the mold in warm water, but do not hold it there too long or the gelatin may start melting. Invert it onto a serving plate, then lift the mold away carefully. Slice and serve with whipped cream if desired.