More Mousse, Less Trouble. Watermelon Mousse
A Simple, Seasonal, Watermelon Dessert
Just like everywhere else on the planet, it’s been ungodly hot around here. We have fires to the north of us, smokey air (better today) and everyone’s trying to keep cool , and no one wants to turn on the oven. So I bought a watermelon the other day as I was remembering one of my favorite watermelon recipes. So here it is, a blast from the past, straight outta my files, Watermelon Mousse.
I don’t eat a lot of watermelon. I don’t have those childhood memories of sitting on the stoop somewhere spitting seeds. For one thing, summers in foggy San Francisco were usually spent in a parka and warm sweater. Not exactly watermelon weather. I just never got into the habit. The way I usually enjoy watermelon is juiced, mixed with iced green tea with a dash of basil seeds added at the end. But I was in this mousse-making frenzy, the spirit was upon me and I just had to try turning out one of those desserts with a watermelon at the heart.
So I bought a watermelon. I intended to whip up a mousse and serve it to friends one hot Sonoma evening. I’d planned dinner to end with a delicious watermelon mousse. I never thought about the possibility of watermelons going bad. I mean they just get sweeter right? I’d kept it chilled in the fridge. Sure, it looked a little faded but who doesn’t after a while. I cut into the melon, and luckily my greedy side decided to take a bite before putting it into the food processor. It tasted like an old sock. I cannot describe the combination of musty, locker room, dank, and damp that I experienced when I bit into it. I had to chuck it. The watermelon was no more.
I set off in search of a new melon and the thought struck me, should it have gone bad that fast? Isn't there some type of statute of limitations on watermelon? Surely I hadn't had it in the fridge that long??? What the hell did I know about the proper buying of watermelons? I obviously couldn't tell a ripe watermelon from a load of old socks. Smash cut to Whole Foods, where I stood staring at a pile of melons. Some light green, some dark, some patterned with stripes. I didn't know where to begin. I started groping the watermelons trying to look like I knew what I was doing. Major fail. I was quickly approached by a friendly Produce Person.
"Can I help you?"
"I bought a watermelon, not here, and it was bad it tasted like old socks. I need to make a mousse, help me, help me!"
"No problem" she said. "I've been working in Produce for 9 years. I know my melons." She started pinging and rapping the melons, examining the skin. It seems the uglier the watermelon, the better it tastes (something about how it lays in the field).
She said "what type to you want?"
"Do the stripes make a difference in flavor?"
"Same as a racing spoiler on the back of a Toyota"
She had a face I could trust. "Just find me one, not too big but flavorful."
She handed me a melon. I took it home.
I was in the mousse business.
Watermelon Mousse
Here’s What You Need:
1 watermelon cut up and seeded
1/2 Tbs of lemon juice
1/2 envelope of gelatine or equal amount of agar agar (if you want a vegetarian recipe) about 1 and 1/4 tsps of gelatine
1/2 cup of sugar
1/2 cup of whipping cream
Here's What To Do:
Cut the watermelon into chunks. Puree it in a blender or food processor. Put two cups of puree in a pot.


Set 1/4 cup of puree aside in a small bowl.
Put the watermelon puree in the pot on a medium heat and bring it to a boil.
Add the gelatine to the 1/4 cup of watermelon puree in the bowl and mix it in well.
When the watermelon puree reaches a boil, take it off the heat and stir in the gelatine watermelon mixture.
Blend it together well, so you don't have any gelatine lumps.
Add in 1/2 Tbs of lemon juice
And 1/2 cup of sugar. Mix everything together well and set it aside to cool.


When it has cooled, whip the cream.
Fold the whipped cream into the cooled watermelon mixture. Ladle the watermelon mousse into small serving ramekins. Put the ramekins into the refrigerator to chill until they set, usually two hours or so.


Decorate each one with a dab of whipped unsweetened cream and serve them up.

This makes an amazingly light, flavorful mousse with the delicate taste of watermelon. Perfect for a simple dessert for a hot Summer night or after a heavy meal. There’s always room for this mousse. I also was impressed with how pretty it was, so pink and delicate. I don’t normally do pink and delicate. In fact I have an anti pink and delicate personality, but these Mousses (?) Meeses(?) Mice(?) made me want to throw a goddamned pink tea!! Hey, is somebody getting married? Having a Baby shower? I got yer mousse right here. Come and get it.
Next steps for this recipe, is to see if I can make it with Aquafaba but that’s for later. I have more watermelon on tap so coming next, either an Indian Watermelon Chaat, or a good old Watermelon and Feta Salad. Which of these??


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Beautiful color. It looks delicious. I grew up in the SF Bay Area, with the same cool summers, so I also have no memory of warm evenings outdoors in California. But, my dad mapped the eleven Western states for the USGS, and for parts of each summer my family would decamp to wherever he was working. At those locations I have lovely memories of being outside with all of us eating watermelon. We had a beautiful MCM wood and chrome salt shaker and pepper mill set—my nephew and niece have it now—that my dad used to salt and pepper his watermelon. I found that exotic and fascinating. We kids were on the move with our juicy slices. I never used to think of watermelon, but I have recently when I go to my vegetable stand on a warm afternoon. Both your watermelon chaat and your salad look good, I'd be happy to read about either.
I’m going to try putting it in my ice cream maker and make watermelon pops