Heat oven to 400°F. On work surface, unroll 1 pie crust. Sprinkle half of the pecans over crust; gently press into crust. Cut with 3-inch round cookie cutter into 10 rounds. In ungreased nonstick mini muffin pan, gently press each round, pecan side down, on bottom and up side of muffin cup, folding edge under and rounding to shape. Repeat with remaining crust.