01 - Preheat oven to 350°F. Line an 8x8-inch baking pan with parchment paper.
02 - In a large bowl, combine grated carrot, squeezed zucchini, red bell pepper, and scallions.
03 - Add oats, whole wheat flour, sunflower seeds, pumpkin seeds, and chia seeds. Stir to mix well.
04 - In a separate bowl, whisk together eggs, Greek yogurt, cheddar, olive oil, oregano, garlic powder, salt, and pepper.
05 - Pour the wet mixture over the dry ingredients and mix until thoroughly combined.
06 - Transfer mixture to the prepared pan, pressing down firmly and evenly.
07 - Bake for 30 minutes, or until the top is golden and set.
08 - Let cool in the pan for 10 minutes, then lift out using parchment and cool completely on a rack. Slice into 12 bars.