Maybe this will help. Do a getrawtransaction 1
For example, getrawtransaction e12766de3b8b9532c0cca09a146c8a87e176ef39ec3823f1ea263401c77c465e 1
is this
"result":[{
"hex":"01000000010000000000000000000000000000000000000000000000000000000000000000ffffffff2a0313ad051d4d696e656420627920416e74506f6f6c20626a38186bcefb2055e11be1d60c000000153904ffffffff015af73695000000001976a9149524440a5b54cca9c46ef277c34739e9b521856d88ac00000000",
"txid":"e12766de3b8b9532c0cca09a146c8a87e176ef39ec3823f1ea263401c77c465e",
"version":1,
"locktime":0,
"vin":[{
"coinbase":"0313ad051d4d696e656420627920416e74506f6f6c20626a38186bcefb2055e11be1d60c000000153904",
"sequence":4294967295
}],
"vout":[{
"value":25.0340745,
"n":0,
"scriptPubKey":{
"asm":"OP_DUP OP_HASH160 9524440a5b54cca9c46ef277c34739e9b521856d OP_EQUALVERIFY OP_CHECKSIG",
"hex":"76a9149524440a5b54cca9c46ef277c34739e9b521856d88ac",
"reqSigs":1,
"type":"pubkeyhash",
"addresses":["1Ebb8NfVmKMoGuMJCAEbVMv2dX8GnzgxSa"]
}
}],
"blockhash":"00000000000000000f312f367314d9c9880ac990d3e759092407a088a104cadd",
"confirmations":1,
"time":1440816100,
"blocktime":1440816100
}]
As you can see, it's a coinbase transaction, with a vout of the address it's paid to. The Bitcoin-Qt interface may not show it (because it doesn't really matter), but if you run that command on your mining tx you will see where it went :)