Best Firecracker Cake Recipe - How to Make Firecracker Cake

Ingredients

• Cooking spray
• 1 (15.25-oz.) box white cake mix
• 1 (3.4-oz.) package instant lemon pudding mix
• 4 large eggs
• 1/2 c. vegetable oil
• 1 c. plus 1 tbsp. (or more) lukewarm water
• 1/4 c. raspberry jam
• 7 (or more) drops red gel food coloring, divided
• 1/4 c. blueberry jam
• 7 (or more) drops blue gel food coloring, divided
• 3 c. powdered sugar
• 2 tbsp. fresh lemon juice
• 1/4 c. red, white, and blue sprinkles