Impressive pineapple coffee cake

Ingredients

• 1 tablespoon instant coffee
• 1 tablespoon boiling water
• 250 grams butter, softened
• 2 cups brown sugar
• 6 eggs
• 1 cup plain flour
• 1/2 cup self-raising flour
• 1 cup almond meal
• 1/2 cup crushed pineapple, drained
• Frosting
• 2 tablespoons instant coffee
• 2 tablespoons milk, warmed
• 3 cups icing sugar, sifted
• Topping
• 2 tablespoons caster sugar
• 2 tablespoons water
• 1 pineapple, peeled
• coffee praline to serve (see tip)