Refreshing Elderflower Strawberry Lemonade

Name: Refreshing Elderflower Strawberry Lemonade
Prep time: 5 min
Total time: 5 min
Cuisine: European
Ingredients: 1/2 cup sugar (100 grams); 1 cup water (250 milliliters); 6 elderflower heads; 7/8 cup lemon juice (200 milliliters); 2 cups quartered strawberries; 1/4 cup sugar (50 grams); An extra 1-2 cups water or sparkling water (to taste, 250-500 milliliters); To make strawberry vodka lemonade: About 1/2 cup (125 milliliters)