Add raspberries and sweetener to a small saucepan over medium heat.
2 cups (240 grams) fresh or frozen raspberries, 1/4 cup (80 grams) maple syrup
Stir and cook until raspberries break down and the mixture starts to simmer, about 5–8 minutes.
Add vanilla and lemon juice.
1 teaspoon vanilla extract, 2 teaspoons lemon juice
If needed, stir in cornstarch slurry and simmer for 1 minute more.
2 teaspoons cornstarch mixed with 2 teaspoons water
Let cool before using in the bowl. Stores well in the fridge for up to 4 days and can also be frozen for up to 2 months.