Peel and dice 4 large mangoes—you should have about 4 cups of fruit. I slice the skin down in thirds, then scoop the flesh into a bowl. This saves time versus trying to cut around the pit. Lily prefers when I do this step because the kitchen smells like pure summer, and she sneaks a chunk while I prep.

Add the diced mango, water, sugar, and agar powder to a blender. Blend on high for exactly 60 seconds until completely smooth. Stop halfway through and scrape down the sides—this matters because agar needs to circulate through the entire mixture or you'll have grainy spots.

Pour the mixture through a fine mesh strainer into a large bowl, pressing gently with the back of a spoon. This removes any fiber that would create a chalky texture in the frozen treat. Yes, it takes three minutes, but your homemade mango popsicles family recipe will taste like restaurant quality because of it.

Stir in the lemon juice, vanilla extract, salt, coconut milk, honey, pineapple juice, and citric acid. Mix for one full minute to distribute the salt evenly—salt brightens tropical flavor, and uneven mixing means some popsicles taste flat. I usually let this step rest five minutes before tasting because flavors need time to marry.

Taste the mixture at room temperature before freezing. It should taste slightly sweeter than you want because freezing mutes sweetness by about 15 percent. Adjust lemon juice if it's too sugary, or add a touch more honey if it tastes sharp.

Pour into popsicle molds, leaving 1/4 inch of space at the top because the mixture expands slightly as it freezes. Insert sticks and freeze for at least 6 hours—overnight is better because agar sets completely around the 8-hour mark.

Run warm water over the outside of the mold for five seconds, then push the handles gently upward. The easy mango frozen treat should slide out cleanly without cracking or sticking.