Step 1: Preheat your oven to 350°F (175°C).
Step 2: Grease your Bundt pan with cooking spray or butter and dust it lightly with flour.
Step 3: In a large mixing bowl, whisk together the all-purpose flour, granulated sugar, baking powder, and salt until well combined.
Step 4: In another bowl, beat the eggs, then add the buttermilk, sour cream, canola oil, and vanilla extract. Mix until smooth.
Step 5: Gradually add the wet ingredients to the dry ingredients, stirring gently until just combined.
Step 6: Fold in the sprinkles gently with a spatula.
Step 7: Pour the batter into the prepared Bundt pan, smoothing the top with a spatula.
Step 8: Bake for 30-35 minutes, or until a toothpick inserted into the center comes out clean.
Step 9: Cool in the pan for 10-15 minutes, then invert onto a cooling rack to cool completely.
Step 10: Frost the top of your cake and sprinkle additional sprinkles on top when completely cool.