French Macarons with Blueberry Jam (Metric)

• 140 g almonds, ground (see Tip)
• 170 g icing sugar (see Tip)

French Meringue

• 85 g granulated sugar
• 115 g egg whites, slightly less than 4 eggs (see Tip)
• food coloring in gel, to taste (see Tip)

Filling

• 140 g sugar
• 1 lemon, thin peel only, no white pith
• 185 g blueberries, fresh
• 1 tsp apple pectin NH (see Variation)
• 1 tsp freshly squeezed lemon juice