Crunchy Streusel Rhubarb Cupcakes

Ingredients

• 1 3/4 cups flour
• 2 tsp baking powder
• 1/2 tsp salt
• 3/4 tsp cinnamon
• 1/4 cup EACH white & brown sugar
• 2 large eggs
• 1 cup sour cream
• 1/2 cup butter, melted & slightly cooled
• 1 tsp pure vanilla
• zest from 1 medium orange
• 1 cup (120 gm) fresh rhubarb, trimmed & cut into 1/4-inch dice
• 1 cup fresh rhubarb, trimmed & cut into 1/4-inch dice
• 1/3 cup + 1 1/2 Tbsp water
• 3 Tbsp sugar
• 1/4-1/2 tsp cardamom
• red food color, if desired
• 1 Tbsp brown sugar
• 2 Tbsp pepita seeds
• 1 1/2 Tbsp oatmeal
• 1 1/2 Tbsp flour
• 1/4-1/2 tsp 5-spice powder
• 1/4 tsp salt
• 1 1/2 Tbsp butter, cold
• 2/3 cup butter, softened
• 1 - 1 1/4 cups powdered sugar (to taste)
• 200 gm cream cheese, room temperature
• 1/4-1/2 tsp ginger