Pre-heat oven to 325 degrees and line baking sheet with parchment paper or Silpat.
Mix oats, quinoa, and chia seeds together in a large bowl.
In a medium-sized saucepan, combine peanut butter, coconut oil, and maple syrup and warm over low heat, stirring until mixture is smooth.
Pour peanut butter mixture over oat mixture and toss to combine and coat oats.
Spread oat mixture onto prepared baking sheet.
Bake at 325 degrees for about 35-40 minutes, until granola begins to turn golden brown. Be sure to stir mixture every 15 minutes or so to ensure even baking.
Let granola cool on baking sheet before tossing in bowl with chocolate-covered raisins.
Store granola in airtight containers.