Line a baking sheet with tin foil for easy clean-up. Get a small bowl out for each color of chocolate you plan on using (I used 5 bowls).: The cool, smooth surface of the foil helps the berries rest without sticking and reflects chill when you put the tray in the fridge. You will notice a faint metallic scent from the foil at first, but it fades once the chocolate sets. A common mistake is using wax paper which can cling to the chocolate, so use foil or parchment for easier removal.
Add about 1/3 cup of white chocolate chips to each bowl (see note section below if you're not working with 5 colors). Working with one bowl at a time, microwave it in 30 second intervals, stirring in between, until the chocolate is fully melted. Stir in a couple of drops of olive oil and a drop or two of food coloring. Adjust color as needed. Dip the strawberry and turn it in the chocolate until it's evenly covered. If you've never done this before, it gets better with a little practice. Place the strawberry on the baking sheet and be careful not to move it. Repeat for each strawberry that you want to be that color.: Organizing bowls keeps your workflow steady and reduces cross contamination of colors. As you prepare each bowl you will appreciate the visual cue it gives about portioning. Avoid using too large a bowl, which can make stirring awkward and waste chocolate.
Repeat the above process with each color.: Using roughly the same amount in each bowl ensures a consistent depth for dipping. The scent of warming chocolate will be sweet and comforting, and as you stir you should see it become glossy. A trap to avoid is overheating in the microwave, which can seize the chocolate into a grainy texture, so heat in short bursts.
Once your strawberries are covered in chocolate, if desired, add sprinkles, edible glitter, or luster dust (I picked some up in a baking supply shop - that's what's on the pink ones), and/or a drizzle of milk or dark chocolate to some/all of the strawberries. To drizzle the chocolate, I simply melted some milk chocolate chips then added it to a small Ziploc, snipped off the corner, and piped it onto the strawberry.: Gentle, incremental heating prevents burning. Expect a soft popping sound as the bowl cools between intervals and a smooth thick ribbon when you lift the spoon through the chocolate. If the chocolate feels gritty, stop heating and whisk vigorously, because continuing to heat can worsen the texture.
Place the baking sheet in the fridge and let the strawberries set for at least a couple of hours. Once they're set, put them in an airtight container. They should keep in the fridge for 2-3 days.: The tiny addition of Olive oil smooths the melted chocolate, and the Gel food coloring will instantly change the hue. Mix until uniform, watching the sheen develop. Avoid adding too much liquid, because excess oil or color can prevent the chocolate from setting nicely.
Adjust color as needed: Add additional gel color in small increments to deepen tones, and you will see the shade shift immediately. Bright colors look best when deepened gradually. A common error is adding too much color at once, which can thin the chocolate and affect setting time.
Dip the strawberry and turn it in the chocolate until it is evenly covered: When dipping, hold the strawberry by the green cap and lower it into the chocolate, turning slowly to coat fully. You will feel the weight change as the chocolate adheres, and the surface should look smooth and reflective. If the chocolate pools at the base, gently tap the berry to remove the excess, because letting too much drip will create lumps when it sets.
If you have never done this before, it gets better with a little practice: The first few berries may be uneven, but you will quickly learn the right wrist motion and timing. Observe how the chocolate flows and how quickly it firms, which will guide your next dips. Avoid rushing, because hurried motions often cause splatters and uneven coats.
Place the strawberry on the baking sheet and be careful not to move it: Set each dipped berry with the flat side down so it sits stable on the foil. You will notice a soft gloss on the surface that gradually dulls as it cools. A typical mistake is nudging berries while wet, which can leave fingerprints or distort the coating.
Repeat for each strawberry that you want to be that color: Work in batches to maintain a consistent look. The sound in the kitchen will be rhythmic as you dip and set, and over time you will build a neat assortment. Do not mix wet berries, because colors can blend if they touch before setting.
Repeat the above process with each color: As you switch bowls, wipe any cling on the bowl rim to prevent drips. Each color will bring its own character to the tray, and alternating hues keeps the presentation lively. One pitfall is not cleaning utensils between colors, which can cause unintended streaks and muddy tones.
Once your strawberries are covered in chocolate, if desired, add sprinkles, edible glitter, or luster dust (I picked some up in a baking supply shop that is what is on the pink ones), and or a drizzle of milk or dark chocolate to some all of the strawberries: Apply decorations while the chocolate is tacky so they adhere. The texture contrast of crunchy sprinkles or other decorations (optional) against the creamy shell is delightful. Avoid waiting too long, because decorations will not stick once the chocolate is fully set.
To drizzle the chocolate, I simply melted some milk chocolate chips then added it to a small Ziploc snipped off the corner and piped it onto the strawberry: The thin stream of melted milk or dark chocolate chips (optional) creates fine lines that look professional. You will hear a faint whisper as the bag squeezes and see delicate ribbons form. A common error is cutting too large a corner, which leads to thick blobs rather than elegant drizzles.
Place the baking sheet in the fridge and let the strawberries set for at least a couple of hours: Chilling firms the chocolate quickly and locks in shine, and you will get a satisfying click when you bite into chilled chocolate around a cool strawberry . Do not leave them in the fridge uncovered near strong odors, because strawberries absorb smells and that can alter flavor.
Once they are set, put them in an airtight container: Storing in a single layer prevents scuffing and keeps decorations intact. They keep best chilled, and you will notice their texture is firmer straight from the fridge. An easy mistake is stacking layers without protection, which can ruin the coating.
They should keep in the fridge for 2 to 3 days: Consume within this window for the best texture and flavor. Over time the berries release moisture which can soften the chocolate shell, so enjoy them while the contrast is at its peak. If you see excessive moisture under the chocolate, that signals they are past their prime.