Juniper and Roasted Plum Tonic

This post may contain affiliate links. Please read my disclosure policy .

I’m head over heels for this Juniper and Roasted Plum Tonic.

It’s kinda like sipping on a crisp fall day with a touch of elegance.

The roasted plums get all jammy and sweet, and the juniper berries give this piney, almost gin like vibe that makes it feel really fancy without being complicated.

My kitchen smells like a caramelized orchard when the plums roast and I always catch myself sneaking tastes before it even makes it to the glasses.

I love serving it when friends come over or just treating myself to a little indulgence.

Ingredients

4 ripe plums, chopped (about 2 cups)
2 cups water
1/4 cup honey
1 tablespoon dried juniper berries
1/2 teaspoon ground cinnamon
1/4 teaspoon ground allspice
2 tablespoons fresh lemon juice
2 ounces gin, optional
1 cup tonic water, chilled for serving
Ice cubes
Plum slices or juniper berries for garnish

Why I Love These Ingredients

Plums roast into this sweet, rich base that’s like fall in a glass.

Honey balances the tartness and adds a floral sweetness. Juniper berries are piney and earthy, giving the drink that gin-like sophistication.

Cinnamon and allspice add warmth and depth. Lemon juice brightens everything up and if you are feeling fancy, a little gin just takes it to the next level.

Tonic water adds a bubbly, refreshing finish and the ice keeps it crisp. Plum slices or juniper berries on top just make it look really pretty.

Why It’s Good for You

Plums are full of fiber, vitamin C, vitamin K, and antioxidants so they are great for digestion and heart health.

Honey soothes your throat and gives a gentle energy boost. Juniper berries have antioxidants and can help with digestion.

Cinnamon and allspice bring warmth and some anti-inflammatory benefits. Lemon juice is loaded with vitamin C.

Gin in moderation can be relaxing and tonic water keeps you hydrated with minimal calories.

Making the Tonic

First I roast the plums.

I preheat my oven to 400°F, wash 4 ripe plums, cut them in half, remove the pits, and slice them into quarters.

I spread them on a baking sheet and pop them in the oven for 15 minutes until they’re soft, caramelized, and their juices are bubbling.

The smell is insane, like a sweet orchard, and I let them cool a little before touching them.

Then I blend the roasted plums with 1/2 cup water until it’s a smooth, rich purple puree. Sometimes it’s a little thick so I add a splash more water to make it silky.

Next I simmer the base.

I pour the plum puree into a medium saucepan with the remaining 1.5 cups water, honey, juniper berries, cinnamon, and allspice. I bring it to a gentle simmer, stirring to dissolve the honey.

I let it bubble away for 10 minutes so the juniper and spices really infuse the liquid. The smell during this step is like walking into a cozy fall forest.

After that I strain the mixture through a fine mesh strainer into a pitcher or jar, pressing the solids to get all the juice.

This gets rid of the pulp and juniper berries and leaves a smooth, deep-purple tonic base.

I stir in the lemon juice and gin if I’m using it. The lemon adds a bright zing and the gin gives the juniper flavor extra oomph.

To serve I fill glasses with ice, pour the tonic base in, then top with chilled tonic water, stirring gently to keep the fizz.

If I want it warm I skip the ice and tonic water and gently heat the base. I garnish with a thin plum slice or a couple of juniper berries for a rustic, elegant touch.

Taking that first sip of sweet tart plum, piney juniper, and bubbly finish is like drinking fall straight from a forest.

Serving Ideas

I love serving this in tall glasses over ice so the purple color pops. The plum slice or juniper garnish makes it look rustic and fancy.

Perfect for fall cocktail hours, harvest parties, or just a casual afternoon. For a cozy twist I sometimes serve it warm in mugs without tonic water.

Pair it with cheese and crackers or roasted almonds for a little extra yum.

Leftovers

If I have leftover tonic base I keep it in an airtight jar in the fridge for up to 5 days. The flavors actually get better with time.

I shake it well before using because it can separate. For serving I either add fresh tonic water or heat it for a warm drink.

The leftover base is awesome drizzled over yogurt or ice cream too.

My Tips

Pick plums that are slightly soft so they roast sweet and juicy.

I usually use a tablespoon of juniper berries but you can reduce to a teaspoon for a lighter flavor.

Skip the gin for a kid-friendly version, or add a splash of apple juice for sweetness. Lining the baking sheet with parchment makes cleanup easy.

I like to make the plum juniper base a day ahead and then just add lemon, gin, and tonic water right before serving so I can actually enjoy my own party.